bluuebunny/crossref_metadata_2025 huggingface dataset:
MARGINAL MATERIAL EVALUATION AND SELECTION USING ANALYTIC HIERARCHY PROCESS MODEL
Authors: Li Wentao , Wilson Doug J , Larkin Tam J
Published: May 2017

Marginal materials, also called sub-standard materials, have the potential to replace premium materials in local roads. However, the current definition of marginal materials suffers from the limitation of focusing on whether or not each single property meets the corresponding requirement of specifications rather than reflecting the overall performance of the materials. To overcome this limitation and to better understand the concept of ‘marginal material’, this study was conducted using the Analytic Hierarchy Process (AHP) framework to evaluate the overall performance of five aggregates and an assumed boundary aggregate based on multiple factors (various engineering properties and performance). The aggregates were ranked through comparing the overall weight of each material, which was obtained based on the analysis of the relative weights of criteria and sub-criteria along with data processing of engineering properties.The AHP model is a good method to select the best aggregates within a number of given aggregates. It can describe the overall performance of aggregates in a quantitative way, which allows the qualities of the aggregates to be compared to each other so that the proper aggregates can be selected for different road construction purposes. The validation of the AHP model demonstrates that the AHP analyzed qualities of the aggregates match well to their qualities in field road construction, but there is a need to make a combination analysis on the individual properties (specification pass/fail criteria) and overall performance (AHP model) in the process of evaluating the quality of aggregates.https://doi.org/10.13022/ijahp2017.v9.is1.358
EVALUATING HEALTHCARE ORGANIZATIONS BY A NETWORK MODEL WHICH INTEGRATES ANP WITH A REVISED-BSC
Authors: Marcarelli Gabriella
Published: May 2017

The evaluation of healthcare organizations is complex due to the trade-offs between all healthcare features, benefits and costs to consider and the great number of stakeholders involved. Each healthcare policy is multidimensional and its criteria are both objective and subjective in nature, so multicriteria methods are appropriate decision-making tools for a general manager in the evaluation process. This paper proposes to evaluate the strategic policies of an Italian Healthcare Organization by means of the Analytic Network Process (ANP) integrated with a revised Balanced Scorecard (r-BSC) approach. This integrated network model allows one to take into account the micro-macro organizational setting opportunities and some normative constraints and incentives, typical of the Italian health context. So, it may be useful not only to rank strategic policies and derive priorities for perspectives, objectives and metrics involved in a strategic map, but also to assign a performance index to each element of the network model. https://doi.org/10.13022/ijahp2017.v9.is1.443
ACHIEVING THE DESIRED LEVEL OF DEPENDENCY IN ANP DECISION MODELS
Authors: Cooper Orrin , Liu Guoqing
Published: May 2017

When designing an ANP model it is important to acknowledge and properly address whether the elements in the model are dependent on or independent of each other. The decision maker must perform criteria cluster weighting comparisons individually for the criteria clusters in each column of the Supermatrix to correctly model when the criteria and alternatives are dependent on one another to accurately capture the dependence. Failing to recognize that the criteria in a criteria cluster in one column of the Supermatrix is not necessarily equal in weight to the criteria in that same criteria cluster but in another column can lead to misrepresented rankings in the final priorities. In the extreme case, it can remove all dependence from an ANP model. Two models are used to demonstrate this unintended effect on the final priorities, and also demonstrate a crucial contribution that this effect is independent of the tangibility of the criteria considered. In the third model, the solution is discussed and implemented. A proof is provided in the appendix. This criteria cluster weighting approach further extends the applicability of the ANP to additional decisions when a decision maker wishes to represent a fully-dependent ANP decision.https://doi.org/10.13022/ijahp2017.v9.is1.450
What Constitutes a Novel AHP/ANP Study?
Authors: Mu Enrique
Published: May 2017

We often receive inquiries about whether a particular study is novel or original enough to be published in our journal. Interestingly enough, whenever a potential author asks this question, the study is likely original enough for publication. Many other potential authors simply submit their studies with the assumption of originality, and they are surprised when they are told their study is not original enough to be published. For this reason, the question of what constitutes a novel study deserves some consideration. https://doi.org/10.13022/ijahp2017.v9.is1.483
DQe-v: A Database-Agnostic Framework for Exploring Variability in Electronic Health
Record Data Across Time and Site Location
Authors: Estiri Hossein , Stephens Kari
Published: May 2017

Data variability is a commonly observed phenomenon in Electronic Health Records
(EHR) data networks. A common question asked in scientific investigations of EHR data is
whether the cross-site and -time variability reflects an underlying data quality error
at one or more contributing sites versus actual differences driven by various
idiosyncrasies in the healthcare settings. Although research analysts and data
scientists have commonly used various statistical methods to detect and account for
variability in analytic datasets, self service tools to facilitate exploring
cross-organizational variability in EHR data warehouses are lacking and could benefit
from meaningful data visualizations. DQe-v, an interactive, database-agnostic tool for
visually exploring variability in EHR data provides such a solution. DQe-v is built on
an open source platform, R statistical software, with annotated scripts and a readme
document that makes it fully reproducible. To illustrate and describe functionality of
DQe-v, we describe the DQe-v’s readme document which includes a complete guide to
installation, running the program, and interpretation of the outputs. We also provide
annotated R scripts and an example dataset as supplemental materials. DQe-v offers a
self service tool to visually explore data variability within EHR datasets irrespective
of the data model. GitHub and CIELO offer hosting and distribution of the tool and can
facilitate collaboration across any interested community of users as we target improving
usability, efficiency, and interoperability.
Existence occulted: Rhetorical pessimism and the world-without-us
Authors: Zager Brian
Published: May 2017

In his trilogy of books focusing on the interconnections between horror and philosophy, Eugene Thacker continues an ongoing scholarly investigation into the curious relationship between the two aforementioned genres. By submitting that the paradoxical notion of a ‘world-without-us’ haunts both types of cultural projects, Thacker underscores the recurring issues of representation, occulted knowledge and the notion of horror-as-absence in such texts. Drawn to engage this perspective further, I advance that adopting a critical posture of rhetorical pessimism may be helpful to frame the issues of communication at play in both philosophy and horror. To operationalize these ideas, the film Vanishing on 7th Street (Anderson, 2010) is used as a case study.
MODY in Siberia – molecular genetics and clinical characteristics
Authors: Ovsyannikova Alla Konstantinovna , Rymar Oksana Dmitrievna , Shakhtshneider Elena Vladimirovna , Voropaeva Elena Nikolaevna , Ivanoshchuk Dinara Evgenevna , Voevoda Mikhail Ivinovich
Published: May 2017

The diagnosis of maturity onset diabetes of the young (MODY) has high clinical significance in young patients (no absolute need for exogenous insulin; normoglycaemia in most patients achieved by dieting or taking oral hypoglycaemic agents) and their relatives (high probability of first-degree relatives being carriers of mutations, which requires a thorough collection of family history and determination of the parameters of carbohydrate metabolism).

Aim. This study aimed was to determine the clinical characteristics of different subtypes of MODY in a Siberian region.

Materials and Methods. We performed an examination, biochemical and hormonal blood tests, ultrasound and molecular genetic testing of 20 patients with a clinical diagnosis of MODY.

Results. Four subtypes of MODY were verified: MODY2 in 11 patients, MODY3 in two, MODY8 in one and MODY12 in two. Eleven patients (69%) exhibited no clinical manifestations of carbohydrate metabolism disorders, and one patient showed weight loss during early stage of the disease. Comorbidities included dyslipidemia, thyroid gland disorders and arterial hypertension. One patient (6%) exhibited diabetic nephropathy; two (13%), diabetic retinopathy and three (19%), peripheral neuropathy of lower legs. All patients achieved the target carbohydrate metabolism; the level of C-peptide was within the reference range.

Conclusion. Four different subtypes of MODY (2, 3, 8, 12) were diagnosed in the present study, which differed in their clinical characteristics, presence of complications and treatment strategies. Our knowledge of monogenic forms of diabetes is expanding with the development in molecular genetics, but several aspects related to them require further study.
HLA-haplotypes and the risk of developing diabetes of type 1 diabetes in the native population of the Nenets Autonomous district
Authors: Kuraeva Tamara Leonidovna , Zubov Leonid Alexandrovich , Titovich Elena Vinal'evna , Sibileva Elena Nikolaevna , Ivanova Olga Nikolaevna , Shiryeva Tatyana Yur'evna , Peterkova Valentina Aleksandrovna , Dedov Ivan Ivanovich
Published: May 2017

Nenets are Samoyedic people belonging to Ural contact minor race, with combined anthropological signs of both Caucasoid and Mongoloid races. In this population, the occurrences of type 1 diabetes mellitus (T1DM) were registered during 30 years.
Aim. The study aimed to investigate the incidence of human leucocyte antigen (HLA)-haplotypes in Nenets compared with those in the Russian population.
Materials and Methods. HLA-typing was performed in 61 healthy Nenets subjects residing in the Arkhangelsk district, 341 Russian subjects from Moscow and natives from the Vologda district.
Results. DRB1*04-DQA1*0301-DQB1*0302 was similar in all the three study populations: 11.5%, 8.5% and 11.6% for Nenets, Moscow and Vologda populations, respectively (p 0.05). However, the incidence of the second most important high predisposed haplotype DRB1*17(03)-DQA1*0501-DQB1*0202 was significantly lower in Nenets (1.6%) than in the Moscow and Vologda populations (10% and 7.4%, respectively) [(p1.2 = 0.03 (x2 = 4.42); p1.3 = 0.12 (x2 = 2.46)]. The incidence of DRВ1*01-DQA1*0101-DQB1*0501 haplotype specific for both Russian populations was also significantly lower in Nenets (3.3%) than in the Moscow and Vologda populations (11% and 12.4%, respectively) [(p1.2 0.05 (x2 = 3.34); p1.3 0.05 (x2 = 3.85)]. The incidence of protected haplotypes (DRB1*11-DQA1*0501-DQB1*0301 and DRB1*13-DQA1*0102-DQB1*0602/8/DRB1*13-DQA1*0103-DQB1*0602) was significantly higher in Nenets than in the Moscow and Vologda populations: 32.8% versus 12.5% and 9.1%, respectively [(p1.2 0.001 (x2 = 13.48); p1.3 0.001 (x2 = 17.3)] and 16.4% versus 8.5% and 11.1%, respectively [(p1.2 = 0.07 (x2 = 3.14); p1.3 = 0.3 (x2 = 0.97)]. The incidence of some neutral haplotypes was also significantly higher in Nenets: haplotype DRB1*12-DQA1*0501-DQB1*0301 was detected in 29.5% of Nenets compared with 2.5% and 1.2% of the Moscow and Vologda populations, respectively [(p1.2 0.001 (x2 = 42.43); p1.3 0.001 (x2 = 37.66)]; haplotype DRB1*09-DQA1*0301-DQB1*0303 was detected in 14.8% of Nenets compared with 1% and 2.5% of the Moscow and Vologda populations, respectively [(p1.2 0.001 (x2 = 21.9); p1.3 0.001 (x2 = 10.04)].
Conclusions. According to preliminary evidence, the incidence of predisposed haplotypes was significantly lower and that of protected haplotypes was significantly higher in Nenets than in the Moscow and Vologda populations, which probably play a role in the very low incidence of T1DM in Nenets.
Epidemiology of diabetes mellitus in Russian Federation: clinical and statistical report according to the federal diabetes registry
Authors: Dedov Ivan Ivanovich , Shestakova Marina Vladimirovna , Vikulova Olga Konstantinovna
Published: May 2017

Aim. We analysed the main epidemiological characteristics of diabetes mellitus (DM) in the Russian Federation (prevalence, incidence, mortality and mean life span), degree of diabetes control, and prevalence of diabetic complications (retinopathy, nephropathy, and diabetic foot syndrome and macrovascular pathology) according to the federal DM registry.
Materials and methods. The database of the federal DM registry of 79 regions was included using the online system until 31.12.2016.
Results. TThe total number of patients with DM in the Russian Federation on 31.12.2016 was 4.348 million (2.97% of the population), comprising 4 million patients with DM2 (92%), 255,000 with type 1 diabetes (T1DM) (6%), and 75,000 with other types of DM (2%). DM prevalence per 100,000 population was as follows: T1DM, 164.19/100,000; type 2 diabetes (T2DM), 2637.17/100,000; and other types of DM, 50.62/100. The incidence per 100,000 population was as follows: T1DM, 16.15/100,000; T2DM, 154.9/100,000; and other types of DM, 8.65/100,000. Mortality per 100,000 population was as follows: T1DM, 2.1/100,000; T2DM, 60.29/100,000; and other types of DM, 0.57/100,000. Mortality decreased in patients with T1DM by 6.6% and with T2DM by 3.6%. Mean life span in patients with T1DM was 50.3 years for men and 58.5 years for women. Mean life span in patients with T2DM was 70.1 years for men and 75.5 years for women. Glycated haemoglobin A1c (HbA1c) levels in T1DM was 7% in 33.4%, 7%7.9% in 28.3%, 8%8.9% in 16.2%, and 9.0% in 22.1% of patients. HbA1c levels in T2DM was 7% in 52.1%, 7%7.9% in 29.1%, 8%8.9% in 10%, and 9.0% in 8.7% of patients.
Conclusions. This study evaluated the increase in DM prevalence in the Russian Federation in 2016 and in the dynamics of 20132016, which was mainly due to T2DM. An increase in patients with a target HbA1c level 7% and a decrease in the proportion of patients with severe uncontrolled DM was observed; however, the treatment effectiveness of this key indicator was unsatisfactory, i.e. less than a third of the patients with DM. In the dynamics of 20132016, an increase in mean life span for patients with T2DM and mortality reduction in patients with T1DM and T2DM was observed. The frequency of diabetic complications varied widely, which may reflect differences in the quality of specialised care in different regions.
Across the Straits from Port au Choix: Mobility, Connection, and the Dorset of Southern Labrador
Authors: Stopp Marianne P.
Published: May 2017

Priscilla Renouf’s more than 30 years of research on the human history of the Port au Choix peninsula was longue durée in execution as well as in perspective and contribution, resulting in notable insights into adaptations at Port au Choix itself and on the island of Newfoundland. This paper finds inspiration in Renouf’s work at the site of Phillip’s Garden (EeBi-1) on the Port au Choix peninsula. It proposes a model of integration and shared social context between Dorset in southern Labrador and Dorset in northwestern Newfoundland. Mobility and interconnection, key hallmarks of northern forager societies, are suggested through multiple lines of evidence that include the proximity and contemporaneity of sites in the two regions, the evidence of long-distance networks for exchange of Ramah chert, and the requirements of travel imposed by the twice yearly harp seal migration, which passed close to the Port au Choix peninsula in spring but followed the Labrador shore in late autumn.
Hydration enthalpy of amorphous tricalcium phosphate resulting from partially amorphization of β-tricalcium phosphate
Authors: Hurle Katrin , Neubauer Juergen , Goetz-Neunhoeffer Friedlinde
Published: May 2017

As it was recently shown that β-tricalcium phosphate (β-TCP), similar to α-TCP, can be mechanically activated by prolonged ball milling, partially amorphized β-TCP is promising for the development of new bone cement formulations. Hence in the present study the hydration of partially amorphized β-TCP with different contents of an amorphous phase (amorphous tricalcium phosphate, ATCP) was investigated by isothermal calorimetry and quantitative X-ray diffraction (XRD) to obtain the hydration enthalpies of β-TCP and ATCP. Measurements were conducted at 23 °C, a 0.1 M Na
Categorizing English Emotion Formulaic Sequences
Authors: Zhou Rong
Published: May 2017

This paper clarifies the definition of English emotion formulaic sequences in a brand-new way. It identifies the two language processing mechanisms in the human brain that function simultaneously and divide usage depending on the requirements of the language materials and communication situations. Based on the approach of Becker’s hierarchy of classification, this paper categorizes English emotion formulaic sequences from three aspects: structure, meaning, and usage. It may be possible to identify and push the boundaries of English emotion formulaic sequences both for language learners and linguistics researchers.
Anthroposemiotics of Trade Names in the City
Authors: Mosquera Alexander
Published: May 2017

From an anthroposemiotic perspective, this article discusses the presence of trade names written in a language other than Spanish in Venezuela. The notion of identity formulated by García Gavidia and by Andacht is used, as well as notions of violence and symbolic efficacy by Bourdieu and the semiotics of culture by Lotman. An approach was made from the rationalist-deductive epistemological perspective, using the hypothetico-deductive method to analyze a corpus representing foreign trade names observed in Venezuela, which, however, merely served as an empirical control mechanism of deduction. Results reveal that such names are an expression of identity/otherness conflict; at the same time, they can be considered as a cultural text that bursts violently into another established text, by acting within the scope of a semiosphere that transform them into a device with cultural memory expressing an ideological hegemony.
On the solutions of a class of difference equations systems
Authors: Elabbasy E. M. , El-Metwally H. , Elsayed E. M.
Published: May 2017

In this paper we discuses the periodic solutions of particular cases of the following general system of difference equations
Regular elements and green’s relations in power Menger algebras of terms
Authors: Denecke K. , Glubudom P.
Published: May 2017

Sets of terms of type
On a subclass of p-valent functions
Authors: Dziok J.
Published: May 2017

In this paper we consider a subclass of
Valuation and metric on a lattice effect algebra
Authors: Khare Mona , Gupta Soni
Published: May 2017

In the present paper we have derived some properties of the pseudo-metric introduced by Riečanová on a lattice effect algebra
Subdirect product representations of some unary extensions of semilattices
Authors: Płonka Jerzy
Published: May 2017

An algebra 𝔄 represents the sequence
Characterizations of posets via weak states
Authors: Chajda I. , Kolařík M. , Länger H.
Published: May 2017

Weak states on posets are defined which are in some analogy to states on orthomodular posets used in axiomatic quantum mechanics. It is shown how certain properties of the set of weak states characterize certain properties of the underlying poset.
One–to–one solutions of a generalized Gołąb–Schinzel equation
Authors: Jabłońska Eliza
Published: May 2017

Let 𝕂 be the field of real or complex numbers and let
On some forms of weakly continuous functions in bitopological spaces
Authors: Noiri Takashi , Popa Valeriu
Published: May 2017

As a generalization of weakly continuous functions, we introduce the notion of (
The natural affinors on the r-th order frame bundle
Authors: Kurek J. , Mikulski W. M.
Published: May 2017

We describe all
On preservers of determinant over a field
Authors: Kalinowski Józef
Published: May 2017

Operators preserving the determinant of real matrices were studied in [
Neighbourhoods of certain p-valently analytic functions defined by using Salagean operator
Authors: Aouf M. K.
Published: May 2017

By making use of the familiar concept of neighbourhood of analytic and p-valent functions, the author prove coefficient bounds and distortion inequalities and associated inclusion relations for the (
A note on Gâteaux differentials of hermitian elements in Banach algebras
Authors: Herzog Gerd , Schmoeger Christoph
Published: May 2017

Let
Transformations between Menger systems
Authors: Ricci Gabriele
Published: May 2017

To define transformations between based universal algebras we must introduce representations that depend on the bases, contrary to what was possible for general vector spaces and believed possible for universal algebras. In fact, a counterexample shows that by representation-free transformations alone one cannot even ascertain whether a universal algebra has any dimension or not.

A transformation notion, which can do, concerns basis dependent Menger systems. It enjoys a basic geometric property of universal algebras, the preservation of reference flocks, and generalizes the transformation groups of Linear Algebra into groupoids.
On (m, n)-Jordan derivations and commutativity of prime rings
Authors: Vukman Joso
Published: May 2017

The purpose of this paper is to prove the following result. Let
Porosity of certain classes of operators in generalized metric spaces
Authors: Das Pratulananda , Dey Lakshmi Kanta
Published: May 2017

We study the porosity behavior of non-contractive mappings in a generalized metric space, a concept recently introduced in [
Convergence of implicit iterative process for a finite family of I-nonexpansive mappings
Authors: Temir Seyit , Aykanat Goknur
Published: May 2017

We prove that an implicit iterative process converges weakly and strongly to a common fixed point of a finite family of
Partial semigroups and primality indicators in the fractal generation of binomial coefficients to a prime square modulus
Authors: Doan D. , Kivunge B. , Poole J. J. , Smith J. D. H , Sykes T. , Teplitskiy M.
Published: May 2017

This paper, resulting from two summer programs of Research Experience for Undergraduates, examines the congruence classes of binomial coefficients to a prime square modulus as given by a fractal generation process for lattice path counts. The process depends on the isomorphism of partial semigroup structures associated with each iteration. We also consider integrality properties of certain critical coefficients that arise in the generation process. Generalizing the application of these coefficients to arbitrary arguments, instead of just to the prime arguments appearing in their original function, it transpires that integrality of the coefficients is indicative of the primality of the argument.
Existence and global exponential stability of periodic solution of high-order Cohen-Grossberg neural network with impulses
Authors: Liu Jing
Published: May 2017

Sufficient conditions are obtained for the existence and global exponential stability of periodic solution of high-order Cohen-Grossberg neural network with impulses by using Mawhin’s continuation theorem of coincidence degree and by means of a method based differential inequality.
New integral and finite difference inequalities in three variables
Authors: Pachpatte B. G.
Published: May 2017

The objective of the present paper is to derive new estimates on some fundamental integral and finite difference inequalities in three variables which can be used as tools in the study of certain integral and sum-difference equations. Some applications are also given to convey the importance of one of our result.
A Picard Theorem for iterative differential equations
Authors: Li Wen-rong , Cheng Sui Sun
Published: May 2017

A Picard type existence and uniqueness theorem is established for iterative differential equations of the form
Sums of products of generalized Fibonacci and Lucas numbers
Authors: Čerin Zvonko
Published: May 2017

In this paper we obtain explicit formulae for sums of products of a fixed number of consecutive generalized Fibonacci and Lucas numbers. These formulae are related to the recent work of Belbachir and Bencherif. We eliminate all restrictions about the initial values and the form of the recurrence relation. In fact, we consider six different groups of three sums that include alternating sums and sums in which terms are multiplied by binomial coefficients and by natural numbers. The proofs are direct and use the formula for the sum of the geometric series.
Poincaré and Sobolev type inequalities for Widder derivatives
Authors: Anastassiou George A.
Published: May 2017

Various
Application of the MRBV S classes to embedding relations of the Besov classes
Authors: Szal Bogdan
Published: May 2017

L. Leindler obtained a necessary and sufficient condition in order to a function
A fixed point theorem for multi-valued weakly Picard operators in b-metric space
Authors: Olatinwo M. O.
Published: May 2017

In this paper, we establish a fixed point theorem for multi-valued operators in a complete
A quadratic transformation of the three-dimensional space of all conics through two points of a projective plane
Authors: Donati Giorgio
Published: May 2017

Using the Steiner’s method of projective generation of conics and its dual we define two projective mappings of a double contact pencil of conics into itself and we prove that one is the inverse of the other. We show that these projective mappings are induced by quadratic transformations of the three-dimensional projective space of all conics through two distinct points of a projective plane.
Generalized Pappus’ theorem
Authors: Witczyński Krzysztof
Published: May 2017

The paper contains a generalization to the
Entire graphs under a general flow
Authors: Mao Jing , Li Guanghan , Wu Chuanxi
Published: May 2017

An initial entire graph with bounded second fundamental form in
The convergence classes of divergent permutations
Authors: Wituła Roman , Słota Damian
Published: May 2017

The scope of the paper is the analysis of the convergence classes of different permutations of ℕ. In this paper we prove that with any divergent permutation
Some rate spaces
Authors: Chandrasekhara Rao K.
Published: May 2017

The rate spaces are of recent origin. The present paper is devoted to properties of the convergence domain
Necessary and sufficient conditions for common fixed point theorems in fuzzy metric space
Authors: O’Regan D. , Abbas M.
Published: May 2017

The aim of this paper is to provide a necessary and sufficient condition for the existence of a common fixed point of three maps
On a non-local parabolic problem
Authors: Akila Yechoui
Published: May 2017

The aim of this paper is to investigate the existence of solutions of a nonlocal parabolic problem. The method of upper and lower solutions and the classical maximum principle are used to obtain our results.
On the degree of strong approximation of functions and conjugate functions
Authors: Łenski Włodzimierz , Szal Bogdan
Published: May 2017

We extend and generalize the results of the first author [
Inequalities for the numerical radius in unital normed algebras
Authors: Dragomir S. S.
Published: May 2017

In this paper, some inequalities between the numerical radius of an element from a unital normed algebra and certain semi-inner products involving that element and the unity are given.
On some operations on finite affine planes applied to the theory of regular configurations
Authors: Makowiecka Hanna
Published: May 2017

We consider some operations on affine planes which resemble the construction of a derived affine plane at a point of the Benz plane. We call them Benz-contractions (B-contractions), distinguishing between chain contractions and generator contractions. We prove that the Pappos–Pascal configuration is the B-contraction of the affine plane of order 4 and we relate it to the Havliček–Tietze configuration. We present a new (HT)
Some properties of the curves xn + yn = 1 with even exponents
Authors: Fidytek Irena
Published: May 2017

We present parametric equations for the curve
On homotopy classification of phrases and its application
Authors: Fukunaga Tomonori
Published: May 2017

This paper is a survey on the recent study of homotopy theory of generalized phrases in Turaev’s theory of words and phrases. In this paper, we introduce the homotopy classification of generalized phrases with some conditions on numbers of letters. The theory of topology of words and phrases are closely related to the theory of surface-curves. We also introduce applications of topology of words to the topology of surface-curves.
Geometry of pre quasi homogeneous polynomials of type (1/2, 1/4)
Authors: Kushner León , Saia Marcelo José
Published: May 2017

In this article we study the geometry of the orbits of the space
Local signature of fibered complex surfaces via moduli and monodromy
Authors: Ashikaga Tadashi
Published: May 2017

The signature of fibered complex surfaces is sometimes localized at finite fiber germs. We analyze this phenomenon by using datum of local monodromy in the mapping class group and a certain rational divisor on the moduli space of stable curves.
Some questions on the Fukui numerical set for complex function germs
Authors: Koike Satoshi , Parusiński Adam
Published: May 2017

The Fukui numerical set is known as a blow-analytic invariant for real analytic function germs. Taking into account the similarity between real blow-analytic properties and complex topological ones, we may ask if the Fukui numerical set is a topological invariant for complex analytic function germs. In this note we discuss the problem and give some related questions.
Polar invariants of plane curve singularities: intersection theoretical approach
Authors: Gwoździewicz Janusz , Lenarcik Andrzej , Płoski Arkadiusz
Published: May 2017

This article, based on the talk given by one of the authors at the Pierrettefest in Castro Urdiales in June 2008, is an overview of a number of recent results on the polar invariants of plane curve singularities.
Complex surface singularities and degenerations of compact complex curves
Authors: Tomaru Tadashi
Published: May 2017

Since 15 years ago, I have been studying some relations between complex normal surfaces ([
Equational bases for P-compatible identities
Authors: Penner P. , Wismath S. L.
Published: May 2017

A number of syntactical properties of identities, such as regularity, normality, k-normality, externality and P-compatibility of identities have been extensively studied. We develop here a technique for producing from a basis for a variety
On Bi-metacompact spaces
Authors: Sarsak Mohammad S.
Published: May 2017

The primary purpose of this paper is to introduce and study new variations of metacompactness by utilizing
Subdirectly irreducible fibered automata
Authors: Mućka Anna
Published: May 2017

A permutational automaton is a fibered automaton with one-element event set or an empty state space. This paper characterizes all subdirectly irreducible permutational automata.
An inverse structured perturbation problem for the linear system ATAx = b
Authors: Szularz Marek , Smoktunowicz Alicja , Pawelec Ewa
Published: May 2017

The paper deals with the following inverse perturbation problem for the linear system
Semi-compactness of almost Dunford–Pettis operators on Banach lattices
Authors: Aqzzouz Belmesnaoui , Elbour Aziz
Published: May 2017

We study the semi-compactness of positive Almost Dunford–Pettis (resp. the square of positive Almost Dunford–Pettis) operators on Banach lattices and we give some consequences.
On weakly BR-open functions and their characterizations in topological spaces
Authors: Caldas M. , Ekici E. , Jafari S. , Latif R. M.
Published: May 2017

In this paper, we introduce and study a new class of functions by using the notions of b-θ-open sets and b-θ-closure operator called weakly BR-open functions. The connections between this function and the other existing topological functions are studied.
Functional equations motivated by the Lagrange’s identity
Authors: Fechner Włodzimierz
Published: May 2017

We solve two functional equations motivated by the following Lagrange’s identity:

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,

$$\left( {\sum\limits_{i = 1}^n {a_i b_i } } \right)^2 = \left( {\sum\limits_{i = 1}^n {a_i^2 } } \right)\;\left( {\sum\limits_{i = 1}^n {b_i^2 } } \right) - \sum\limits_{1 \le i \le j \le n} {\left( {a_i b_j - a_j b_i } \right)} ^2 ,$$

which is valid for every n ∈ ℕ and each a
1, . . . , an
, b
1, . . . , bn
from a commutative ring.
Generalized integration operators from Bloch type spaces to weighted BMOA Spaces
Authors: Sharma S. D. , Sharmat Anshu
Published: May 2017

In this paper, we consider a generalized integration operator

I

g
,
φ

(
n
)

f
(
z
)
=

∫
0
z

f

(
n
)

(
φ
(
ζ
)
)
g
(
ζ
)
d
ζ

$$I_{g,\varphi }^{(n)} f(z) = \int\limits_0^z {f^{(n)} (\varphi (\zeta ))g(\zeta )d\zeta } $$

induced by holomorphic maps g and φ of the open unit disk 𝔻, where φ(𝔻) ⊂ 𝔻 and n is a positive integer. We characterize boundedness and compactness of

I

g
,
φ

(
n
)

$I_{g,\varphi }^{(n)} $

from Bloch type spaces to weighted BMOA spaces by using logarithmic Carleson measure characterization of the weighted BMOA spaces.
On the sign of L(f) and its “error term” when f is an n-convex function
Authors: Mercer A. McD. , Mercer Peter R.
Published: May 2017

A method is presented for finding the sign and defect of a linear functional L when it operates on an n-convex function.
Positive periodic solutions for second order impulsive differential equations
Authors: Shen Jianhua , Wang Weibing , He Zhimin
Published: May 2017

The existence of positive periodic solutions for a class of second order impulsive differential equations is studied. By using fixed point theorem in cone, new existence results of positive periodic solutions are obtained without assuming the existence of positive periodic solutions of the corresponding continuous equation.
Extended-order algebras as a generalization of posets
Authors: Solovyov Sergey A.
Published: May 2017

Motivated by the recent study of several researchers on extended-order algebras, introduced by C. Guido and P. Toto as a possible common framework for the majority of algebraic structures used inmany-valued mathematics, the paper focuses on the properties of homomorphisms of the new structures, considering extended-order algebras as a generalization of partially ordered sets. The manuscript also introduces the notion of extended-relation algebra providing a new framework for developing the theory of rough sets.
Representation of modals
Authors: Pilitowska A. , Zamojska-Dzienio A.
Published: May 2017

The main aim of this paper is to describe the free objects in arbitrary varieties of modals (semilattice ordered idempotent and entropic algebras) and give some new representations of modals.
Weak relative pseudocomplements in semilattices
Authors: Cīrulis Jānis
Published: May 2017

Weak relative pseudocomplementation on a meet semilattice
Weak homomorphisms between functorial algebras
Authors: Schneider Friedrich Martin
Published: May 2017

In universal algebra, homomorphisms are usually considered between algebras of the same similarity type. Different from that, the notion of a weak homomorphism, as introduced by E. Marczewski in 1961, does not depend on a signature, but only on the clones of term operations generated by the examined algebras. We generalize this idea by defining weak homomorphisms between
On monoids of injective partial selfmaps almost everywhere the identity
Authors: Chuchman Ivan , Gutik Oleg
Published: May 2017

In this paper we study the semigroup
Coregular semigroups of full transformations
Authors: Dimitrova Ilinka , Koppitz Jörg
Published: May 2017

This paper is mainly dedicated to the description of coregular subsemigroups of the symmetric semigroup
Global existence for abstract nonlinear Volterra–Fredholm functional integrodifferential equation
Authors: Dhakne M. B. , Kucche Kishor D.
Published: May 2017

In the present paper, we investigate the global existence of solutions to initial value problem for nonlinear mixed Volterra–Fredholm functional integrodifferential equations in Banach spaces. The technique used in our analysis is based on an application of the topological transversality theorem known as Leray–Schauder alternative and rely on a priori bounds of solution.
The almost Dunford–Pettis property of semi-compact operators
Authors: Aqzzouz Belmesnaoui , Elbour Aziz
Published: May 2017

We establish necessary and sufficient conditions for which each positive semi-compact operator (resp. the second power of a positive semi-compact operator) is almost Dunford–Pettis (resp. Dunford–Pettis).
Fixed point theorems for noncompatible, discontinuous hybrid pairs of mappings on 2-metric spaces
Authors: Deshpande Bhavana , Pathak Rohit
Published: May 2017

In this paper, we prove some fixed point theorems for two hybrid pairs of mappings in 2-metric spaces by using some weaker conditions.
On contra ρ-continuous functions and strongly ρ-closed spaces
Authors: Pious Missier S. , Devamanoharan C. , Caldas M. , Jafari S.
Published: May 2017

In [4], Dontchev introduced and investigated a new notion of continuity called contra-continuity. Recently, Jafari and Noiri ([8], [9], [10]) introduced new generalization of contra-continuity called contra-super-continuity, contra-α-continuity and contra-precontinuity. It is the objective of this paper to introduce and study a new class of contra-continuous functions via ρ-closed sets.
A note on speed of convergence to the quasi-stationary distribution
Authors: Polak M. , Rolski T.
Published: May 2017

In this note we show that for Z being a birth and death process on ℤ or Brownian motion with drift and ℰ′ = (0, ∞), the speed of convergence to the quasistationary distribution is of order 1/t. The corresponding version that X is the number of calls in M/M/1 queue or the reflected Brownian motion is also considered. The result is obtained by asymptotic expansions of some transition functions. For this we use some new asymptotic expansion of the Bessel function.
On a new measure of dependence and its applications
Authors: Pawlas Piotr , Szynal Dominik
Published: May 2017

A new measure of dependence called pseudo-covariance and related to covariance is proposed. It can be applied in problems when the classic covariance fails. We show that it can be used as a measure of dependence of uncorrelated random variables and in characterizations of continuous distributions (here power distribution on (0, 1) and exponential distribution).
Remarks on restricted Nevanlinna transforms
Authors: Jankowski Lech , Jurek Zbigniew J.
Published: May 2017

The Nevalinna transform Ka

,

ρ
(z) of a positive measure ρ and a constant a, plays an important role in complex analysis and – more recently – in the context of the boolean convolution. We show here that its restriction to the imaginary axis, ka

,

ρ
(it), can be expressed as the Laplace transform of the Fourier transform (a characteristic function) of ρ. Consequently, ka ρ
is sufficient for the unique identification of the measure ρ and the constant a. Finally, we identify a relation between the free additive Voiculescu ⊞ and boolean ⊎ convolutions.
Some weakly contractive mapping theorems in partially ordered spaces and applications
Authors: Rhoades B. E. , Pathak H. K. , Mishra S. N.
Published: May 2017

The purpose of this paper is to present some fixed point theorems for certain weakly contractive mappings, known as weakly (φ − ψ)-contractive mappings, in a complete metric space endowed with a partial ordering. Subsequently, we apply our main results to obtain a solution of a first order periodic problem and study the possibility of optimally controlling the solutions of ordinary differential equations via dynamic programming.
Gaussian curvature of the Bergman metric with weighted Bergman kernel on the unit disc
Authors: Szajewska Marzena
Published: May 2017

In the paper Gaussian curvature of Bergman metric on the unit disc and the dependence of this curvature on the weight function has been studied.
On pinching theorems for compact pseudo-umbilical submanifold
Authors: Mao Jing , Qin Shaodong
Published: May 2017

Consider submanifolds in the nested space. For a compact pseudoumbilical submanifold with parallel mean curvature vector of a Riemannian submanifold with constant curvature immersed in a quasi-constant curvature Riemannian manifold, two sufficient conditions are given to let the pseudo-umbilical submanifold become a totally umbilical submanifold.
Some remarks on nonlinear discrete boundary value problems
Authors: Galewski Marek , Smejda Joanna
Published: May 2017

Using critical point theory and some monotonicity results we consider the existence and multiplicity of solutions to nonlinear discrete boundary value problems represented as a nonlinear system Au = λf(u) with parameter λ > 0 and with matrix A being not necessarily positive definite. We provide applications for discrete version of the Emden–Fowler equation.
Weakly compatible maps of type (A) in G-metric spaces
Authors: Manro Saurabh , Kumar Sanjay , Bhatia S. S.
Published: May 2017

In this paper, we introduce the concept of compatible maps and weakly compatible maps of type (
Continuity of subquadratic set-valued functions
Authors: Troczka-Pawelec Katarzyna
Published: May 2017

Let
m-preopen sets in biminimal spaces
Authors: Carpintero C. , Rajesh N. , Rosas E.
Published: May 2017

The aim of this paper is to introduce and characterize the concepts of preopen sets and their related notions in biminimal spaces.
Ramanujan type trigonometric formulae
Authors: Wituła Roman
Published: May 2017

In the paper, new Ramanujan type trigonometric formulae for arguments 2 π/7 and 2 π/9 are presented.
Solving polynomial equations
Authors: Jelonek Zbigniew
Published: May 2017

Let
Generalized Jordan left derivations in rings with involution
Authors: Oukhtite Lahcen
Published: May 2017

In the present paper we study generalized left derivations on Lie ideals of rings with involution. Some of our results extend other ones proven previously just for the action of generalized left derivations on the whole ring. Furthermore, we prove that every generalized Jordan left derivation on a 2-torsion free *-prime ring with involution is a generalized left derivation.
On sup-measurability of multifunctions with some density properties
Authors: Kwiecińska Grażyna
Published: May 2017

The paper is concerned with sup-measurability of a multifunction
Weak and almost Dunford–Pettis operators on Banach lattices
Authors: Aqzzouz Belmesnaoui , Bouras Khalid
Published: May 2017

We introduce the class of Banach lattices with the AM-compactness property and we use it to characterize Banach lattices on which each positive weak Dunford–Pettis operator is almost Dunford–Pettis and conversely.
A fixed point theorem in generalized metric spaces
Authors: Kikina Luljeta , Kikina Kristaq
Published: May 2017

A generalized metric space has been defined by Branciari as a metric space in which the triangle inequality is replaced by a more general inequality. Subsequently, some classical metric fixed point theorems have been transferred to such a space. In this paper, we continue in this direction and prove a version of Fisher’s fixed point theorem in generalized metric spaces.
Density topology generated by the convergence everywhere except for a finite set
Authors: Górajska Magdalena , Wilczyński Władysław
Published: May 2017

In this paper we shall study a density-type topology generated by the convergence everywhere except for a finite set similarly as the classical density topology is generated by the convergence in measure. Among others it is shown that the set of finite density points of a measurable set need not be measurable.
R
cl-supercontinuous functions
Authors: Tyagi B. K. , Kohli J. K. , Singh D.
Published: May 2017

A new class of functions called ‘R
cl-supercontinuous functions’ is introduced. Their basic properties are studied and their place in the hierarchy of strong variants of continuity that already exist in the literature is elaborated. The class of R
cl-supercontinuous functions properly contains the class of cl-supercontinuous (≡ clopen continuous) functions (Applied Gen. Topology 8(2) (2007), 293–300; Indian J. Pure Appl. Math. 14(6) (1983), 767–772) and is strictly contained in the class of Rδ
-supercontinuous functions which in its turn, is properly contained in the class of R-supercontinuous functions (Demonstratio Math. 43(3) (2010), 703–723).
Oscillation of higher-order half-linear neutral differential equations
Authors: Tang Shuhong , Li Tongxing , Thandapani E.
Published: May 2017

In this paper, we establish some new oscillation criteria for the higher-order half-linear neutral differential equation

[

a
(
t
)
 
 

(

[
x
(
t
)
+
p
(
t
)
x
(
σ
(
t
)
)
]

(
n
−
1
)

)

γ

]

′

+
q
(
t
)

x
γ

(
τ
(
t
)
)
=
0
.

$$\left[ {a(t)\,\,\left( {[x(t) + p(t)x(\sigma (t))]^{(n - 1)} } \right)^\gamma } \right]^\prime + q(t)x^\gamma (\tau (t)) = 0.$$

An example is given to illustrate the main results.
Weighted composition operators from weighted hardy spaces to weighted-type spaces
Authors: Zhu Xiangling
Published: May 2017

The boundedness and compactness of the weighted composition operator from weighted Hardy spaces to weighted-type spaces are studied in this paper.
A common fixed point result by altering distances involving a contractive condition of integral type in partial metric spaces
Authors: Aydi Hassen
Published: May 2017

In this paper, we present a common fixed point theorem by altering distances for a contractive condition of integral type in partial metric spaces.
The Nemitskij operator on Lipk
-type and BVk
-type spaces
Authors: Giménez José , López Lorena , Merentes N.
Published: May 2017

In this paper, we discuss and present various results about acting and boundedness conditions of the autonomous Nemitskij operator on certain function spaces related to the space of all real valued Lipschitz (of bounded variation, absolutely continuous) functions defined on a compact interval of ℝ. We obtain a result concerning the integrability of products of the form ψ ο f · f′ · f
(

k

) and a generalized version of the chain rule for functions a.e differentiable, in the sense of Lebesgue. As an application, we get a generalization of a theorem due to V. I. Burenkov for the case of functions of bounded Riesz-p-variation.
Translative covering by unit squares
Authors: Januszewski Janusz
Published: May 2017

Some results concerning translative coverings of squares and triangles by two, three and four unit squares are presented.
Differential subordinations and superordinations for p-valent functions defined by fractional derivative operator
Authors: Amsheri Somia Muftah , Zharkova Valentina
Published: May 2017

In the present paper, we derive some subordination and superordination results for p-valent functions in the open unit disk by using certain fractional derivative operator. Relevant connections of the results, which are presented in the paper, with various known results are also considered.
Extreme points and support points of a class of analytic functions with missing coefficients
Authors: Xiong Liangpeng , Tian Lin , Luo Shaoxi , Liu Xiaoli
Published: May 2017

Let ℳ
n
(a, b, c) denote a class of functions of the form f(z) = z − an

+1
z

n+1 − … − akzk
− … which are analytic in open unit disk U = {z : |z| < 1} and satisfy the condition

∑

k
=
n
+
1

∞

k
(
k
+
a
)

k
+
b

a
k

<
c
,
 
 
 

a
k

≥
0
,
 
 
 
a
≥
b
≥
0
,
 
 
 
0
<
c
≤
1
,
 
 
 
n
∈
N
=
{
1
,
2
,
…
}
.

$$\sum\limits_{k = n + 1}^\infty {{{k(k + a)} \over {k + b}}a_k < c,\;\;\;a_k \ge 0,\;\;\;a \ge b \ge 0,\;\;\;0 < c \le 1,\;\;\;n \in N = \{ 1,2, \ldots \} .} $$

In this paper, we obtain the extreme points and support points of the class ℳ
n
(a, b, c) of functions.