bluuebunny/crossref_metadata_2025_split huggingface dataset:
Quantity Uncertainty and Demand: The Case of Water Smart Reader Ownership
Authors: Strong Aaron , Goemans Chris 
Published: May 2014

AbstractThere are a number of instances when consumers have imperfect information regarding the quantity they consume. This paper has two objectives: (1) to formally describe how quantity uncertainty is likely to affect consumer behavior and (2) to describe how these changes in behavior are likely to differ depending on how the quantity uncertain good is priced. We develop a theoretical model of consumer behavior under quantity uncertainty which we use to illustrate how different price structures and different locations within price structures matter for how information impacts behavior. We test these hypotheses using a unique panel data set containing information on water consumption habits of more than 88,000 households in the City of Aurora, Colorado. In 2005, Aurora subsidized the purchase of electronic devices for households to monitor water use. These devices provide households with real-time information on their water use. We find that, consistent with the aims of the program, households with the device decreased their water use during periods when they faced a constant marginal price; however, contrary to the aims of the program, their consumption increased during periods when they faced an increasing block rate pricing structure. These results are consistent with the predictions of the theoretical model developed herein.
The Tailored Finite Point Method
Authors: Han Houde , Huang Zhongyi 
Published: May 2014

Abstract.
In this paper, a brief review of tailored finite point
methods (TFPM) is given. The TFPM is a new approach to construct the numerical solutions of
partial differential equations. The TFPM has been tailored based on the local properties of the
solution for each given problem.
Especially, the TFPM is very efficient for solutions
which are not smooth enough, e.g., for solutions possessing boundary/interior layers
or solutions being highly oscillated. Recently,
the TFPM has been applied to singular perturbation problems,
the Helmholtz equation with high wave numbers, the first-order wave equation in high frequency cases,
transport equations with interface,
second-order elliptic equations with rough or highly oscillatory coefficients, etc.
Uniqueness of compact tangent flows in Mean Curvature Flow
Authors: Schulze Felix 
Published: May 2014

Abstract.

We show, for mean curvature flows in Euclidean space, that if one of
the tangent flows at a given space-time point consists of a closed,
multiplicity-one, smoothly embedded self-similar shrinker,
then it is the unique tangent flow at that point.
That is the limit of the parabolic rescalings does not depend on the
chosen sequence of rescalings. Furthermore, given such a
closed, multiplicity-one, smoothly embedded self-similar shrinker
Σ, we show that any solution of the rescaled flow, which is
sufficiently close to Σ, with Gaussian density ratios greater
or equal to that of Σ, stays for all time close
to Σ and converges to a possibly different self-similarly
shrinking solution

Σ
'

$\Sigma ^{\prime }$

. The central point in the argument is a
direct application of the Łojasiewicz–Simon inequality to
Huisken's monotone Gaussian integral for Mean Curvature Flow.
K-theoretic Schubert calculus
for OG(n,2n+1) and jeu de taquin for shifted increasing tableaux
Authors: Clifford Edward , Thomas Hugh , Yong Alexander 
Published: May 2014

Abstract.

We present a proof of a Littlewood–Richardson rule for the K-theory of
odd orthogonal Grassmannians OG(n,2n+1), as conjectured by Thomas–Yong (2009). Specifically, we prove that rectification using the jeu de taquin for increasing shifted tableaux
introduced there, is well-defined and gives rise to an
associative product. Recently, Buch–Ravikumar (2012) proved
a Pieri rule for OG(n,2n+1) that
confirms a special
case of the conjecture. Together, these results imply the aforementioned
conjecture.
Une base explicite de symboles modulaires sur les corps de fonctions
Authors: Armana Cécile 
Published: May 2014

Abstract
Les symboles modulaires pour le sous-groupe

Γ
0

⁢

(
𝔫
)

$\Gamma_{0}(\mathfrak{n})$

de

GL
2

⁢

(

𝔽
q

⁢

[
T
]

)

$\mathrm{GL}_{2}(\mathbb{F}_{q}[T])$

, définis par Teitelbaum, possèdent une présentation par un nombre fini de générateurs et relations, dans un formalisme similaire à celui de Manin pour les symboles modulaires classiques. Nous résolvons complètement ces relations et donnons une base explicite de générateurs lorsque

𝔫

$\mathfrak{n}$

est un idéal premier de degré impair. Comme application, nous donnons un énoncé de non-annulation de fonctions L de certaines formes automorphes pour

𝔽
q

⁢

(
T
)

$\mathbb{F}_{q}(T)$

. Le résultat principal est aussi un argument-clé pour un énoncé en direction de la conjecture de borne uniforme pour les modules de Drinfeld de rang 2.
Modular symbols for the subgroup

Γ
0

⁢

(
𝔫
)

$\Gamma_{0}(\mathfrak{n})$

of

GL
2

⁢

(

𝔽
q

⁢

[
T
]

)

$\mathrm{GL}_{2}(\mathbb{F}_{q}[T])$

have been defined by Teitelbaum. They have a presentation given by a finite number of generators and relations, in a formalism similar to Manin’s for classical modular symbols. We completely solve the relations and get an explicit basis of generators when

𝔫

$\mathfrak{n}$

is a prime ideal of odd degree. As an application, we give a non-vanishing statement for L-functions of certain automorphic cusp forms for

𝔽
q

⁢

(
T
)

$\mathbb{F}_{q}(T)$

. The main statement also provides a key step for a result towards the uniform boundedness conjecture for Drinfeld modules of rank 2.
Matrix factorizations and cohomological field theories
Authors: Polishchuk Alexander , Vaintrob Arkady 
Published: May 2014

Abstract

We give a purely algebraic construction of a cohomological field theory associated
with a quasihomogeneous isolated hypersurface singularity W and a subgroup G of the
diagonal group of symmetries of W. This theory can be viewed as an analogue of
the Gromov–Witten theory for an orbifoldized Landau–Ginzburg model for W/G.
The main geometric ingredient for our construction is provided by the moduli of
curves with W-structures introduced by Fan, Jarvis and Ruan.
We construct certain matrix factorizations on the products of these moduli stacks with affine spaces
which play a role similar to that of the virtual fundamental classes in the Gromov–Witten theory.
These matrix factorizations are used to produce functors from the categories of
equivariant matrix factorizations to the derived categories of coherent sheaves on the
Deligne–Mumford moduli stacks of stable curves. The structure maps of our cohomological
field theory are then obtained by passing to the induced maps on Hochschild homology.
We prove that for simple singularities a specialization of our theory gives
the cohomological field theory constructed by Fan, Jarvis and Ruan using analytic tools.
Manin's conjecture for certain biprojective hypersurfaces
Authors: Schindler Damaris 
Published: May 2014

Abstract

Using the circle method, we count integer points on complete intersections in biprojective space in boxes of different side length, provided the number of variables is large enough depending on the degree of the defining equations and certain loci related to the singular locus. Having established these asymptotics we deduce asymptotic formulas for rational points on such varieties with respect to the anticanonical height function. In particular, we establish a conjecture of Manin for certain smooth hypersurfaces in biprojective space of sufficiently large dimension.
Dynamical stability of algebraic Ricci solitons
Authors: Williams Michael Bradford , Wu Haotian 
Published: May 2014

Abstract

We consider dynamical stability for a modified Ricci flow equation whose stationary solutions include Einstein and Ricci soliton metrics. Our focus is on homogeneous metrics on non-compact manifolds. Following the program of Guenther, Isenberg, and Knopf, we define a class of weighted little Hölder spaces with certain interpolation properties that allow the use of maximal regularity theory and the application of a stability theorem of Simonett. With this, we derive two stability theorems, one for a class of Einstein metrics and one for a class of non-Einstein Ricci solitons. Using linear stability results of Jablonski, Petersen, and the first author, we obtain dynamical stability for many specific Einstein and Ricci soliton metrics on simply connected solvable Lie groups.
Twin anemia-polycythemia sequence: the importance of an accurate diagnosis
Authors: Sobreira Inês , Sousa Cátia , Paiva Catarina , Freitas Serafina , Proença Elisa , Carvalho Carmen 
Published: May 2014

Abstract
Twin anemia-polycythemia sequence (TAPS), which was first described in 2007, is an atypical chronic form of twin-twin transfusion syndrome (TTTS). It presents as a large intertwin hemoglobin difference, with one twin developing anemia and the other polycythemia, without the traditional “polyhydramnios-oligohydramnios sequence” that is usually seen in TTTS. So far, ideal management of TAPS is not clear. We report here the case of a monochorionic biamniotic gestation, complicated by TAPS, detected at 30 weeks’ gestation that led to an emergent cesarean section. The recipient twin had an uneventful evolution. The donor twin was severely anemic, with a hemoglobin level of 2.5 g/dL that required immediate blood transfusion and intensive care management measures. Clinical evolution was favorable with good outcome in both twins. This case report intends to emphasize the association between hydrops fetalis and severe anemia, as well as the relevance of antenatal Doppler ultrasound investigations and the importance of an accurate management decision.
Non invasive nasal high frequency ventilation in the course of respiratory syncytial virus bronchiolitis
Authors: Del Torre Silvia , Gregorutti Viviana , Cattarossi Luigi 
Published: May 2014

Abstract
High frequency oscillatory ventilation through nasal prongs (nHFOV) has been utilised in an 11-day-old infant suffering from a severe form of respiratory syncytial virus (RSV) bronchiolitis with severe hypoxia (A-aDO2 374 mm Hg) and deep hypercapnic acidosis (pH 6.97, pCO2 148 mm Hg). Mean airway pressure (Paw) was set at 12 cmH2 O, amplitude (ΔP) at 38 cmH2 O (level set according to the perception of vibration of the chest wall), frequency (FR) at 10 Hz, inspiratory time (Ti) 33%, FiO2 0.95. pCO2 dropped to 90 mm Hg in 6 h and to 60 mm Hg in the following 12 h. FiO2 was progressively tapered to 0.75 in 3 h. The patient was weaned from nHFOV after 65 h. We speculate that nHFOV may be useful in the treatment of bronchiolitis-induced hypercapnia avoiding intubation.
The Development of Semiotics and Linguistics from the Perspective of the Evolution of the Logical Systems of Categories
Authors: Guo Hong 
Published: May 2014

Abstract
Logical systems of categories are the core of philosophy and the starting point of all philosophic theories. The same is true for semiotics and linguistics. The author of this paper attempts to construct the logical systems of categories of the two major schools of modern semiotics and those of several representative linguistic disciplines and describe their development so as to illuminate the philosophical origins of the two schools of semiotics and the philosophical and semiotic origins of those linguistic disciplines and the relationships among them. It is hoped that this study serves as a template for research in the fields of semiotics and linguistics
Compound Signs
Authors: Solomonick Abraham 
Published: May 2014

Abstract
Signs in sign-systems are not fixed and unalterable; they constantly change both in form and in meaning. Still, the degree of change in the signs and the innovations they engender depend on many circumstances. One type of change in signs is the process I call sign-merging. This process produces composite signs, which I call compounds. This article defines what sign-merging is, how it occurs, and in what ways it differs from other changes in signs. Beyond this, it discusses the peculiarities of compounds and how they differ from other types of signs.
A Glance at the Relation between Saussure and Aesthetics
Authors: Chien Jui-Pi 
Published: May 2014

Abstract
This study seeks to articulate some notions concerning “aesthetics” in Saussure for the greater benefit of the study of art history. Throughout the history of elaborating on the congeniality between Saussure and Peirce,“ logic” and “temporality” have been considered as keys to perceiving and interpreting inter-systemic similarities and differences of the arts. Meanwhile, the trope of “negation” has been utilized to align Saussure’s thoughts with those of the forerunners of analytical aesthetics such as Hegel. These two strands of developing semiotics cum semiology as a metalanguage have on the one hand dissolved the superficial distinctions assumed to exist between “symbol” and “sign”, and on the other renewed the trope of “allegory” as traditionally conceived in German Romanticism. By means of these enlightening revisions of semiotic theories, this study sheds light on (1) the revised notion of allegory which Saussure has sketched briefly towards the end of his orangery manuscripts; (2) the semiotic quality of certain conceptual tools which Hegel has developed in theorizing the relation between representation and language. All in all, this study suggests a connection between Hegel and Saussure on the basis of a non-teleological appreciation of the former.
Towards a Semiotics of Brand Equity: On the Interdependency of Meaning Surplus and Surplus Value in a Political Economy of Brands
Authors: Rossolatos George 
Published: May 2014

Abstract
This paper addresses the marketing concept of brand equity from a semiotic perspective, by demonstrating why and how the notions of code/subcode are central in accounting for the multifarious dimensions of brand value. Based on the basic premises that surplus of meaning is reflected in surplus financial value in the concept of brand equity and that brand equity and code are fundamentally interdependent, an attempt is made to lay the conceptual foundations for operationalizing brand equity semiotically in a political economy of brands. The managerial implications in terms of planning for brand equity against the background of the relative novelty of brands as signs and different levels of codedness are discussed through the import of the planning platform of The Generative Matrix of Equity Potential.
Political Analysis as Auto-Communication of Culture
Authors: Ventsel Andreas 
Published: May 2014

Abstract
The present paper sets for itself the modest task of pointing to a problem of metalanguage and object-language in political analysis, from a cultural semiotics point of view. The so-called post-foundationalist view, common in political discourse theories, is primarily characterized by the rejection of essentialist notions of ground for the social, and the inauguration of cultural and discursive characteristics into the wider social scientific paradigm. However, it seems that despite placing communication at the heart of their conceptions of discourse, the communicative character of constructing power relations remains undertheorized in those conceptions. This paper attempts to approach the above problem by way of the concepts of communication and autocommunication (Lotman). The outcomes stemming from the latter are unavoidable, since the result of any possible research (text) itself belongs to culture or a larger discourse and operates as the organizing function of the latter. Hence, research practice and its results always need to be looked at as mutually affecting each other.
Semiotics in Contact
Authors: Góndara Lelia 
Published: May 2014

Abstract
Working in multicultural contexts involves moving in an area of semiotics in contact. When this contact occurs between very dissimilar cultures, it often generates perplexity. And perplexity, as we will later see, can be extremely useful to reflect. In this article, I will refer to perplexities and reflections arisen from the contact areas of Chinese and Western semiotics, focusing on some of the intellectual aspects in philosophical, linguistic and psychoanalytical fields. In fact, Chinese language and culture has left profound traces in Western thought, which can be traced in the ideas of Foucault, Leibniz, Derrida, in the works of Lacan, among others.
On the Semiotics of Tea
Authors: Chávez Herrera Eduardo 
Published: May 2014

Abstract
The aim of this paper is to provide a brief sketch of the cultural phenomenon of tea from the point of view of Cultural Semiotics as developed by Juri M. Lotman and the Tartu- Moscow School of Semiotics. Tea, either as a beverage, tradition, ceremony, fashion product, or a 21st century cultural practice, is a product developed by human communication. Thus, it involves a complex meaningweb and meaning-production. To account for it as such, we must posit that it constitutes several semiotic models that explain and construct the context of tea in our social reality. Thus, we may say that tea is a meaning-generating mechanism, which presupposes it is inside a cultural space called semiosphere
Frequency of CYP450 enzyme gene polymorphisms in the Greek population: review of the literature, original findings and clinical significance
Authors: Ragia Georgia , Giannakopoulou Efstathia , Karaglani Makrina , Karantza Ioanna-Maria , Tavridou Anna , Manolopoulos Vangelis G. 
Published: May 2014

Abstract
The cytochrome P450 (CYP450) enzyme family is involved in the oxidative metabolism of many therapeutic drugs and various endogenous substrates. These enzymes are highly polymorphic. Prevalence of CYP450 enzyme gene polymorphisms vary among different populations and substantial inter- and intra-ethnic variability in frequency of CYP450 enzyme gene polymorphisms has been reported. This paper provides an overview and investigation of CYP450 genotypic and phenotypic reports published in the Greek population.
Toughening poly(3-hydroxybutyrate) with propylene carbonate plasticized poly(propylene carbonate)
Authors: Zhou Linyao , Zhao Guiyan , Yin Jinghua , Jiang Wei 
Published: May 2014

AbstractPoly(3-hydroxybutyrate) (PHB)/poly(propylene carbonate) (PPC) blends containing various amounts of plasticizer propylene carbonate (PC) were prepared, and the toughness of the blends as a function of temperature was studied. It was found that the brittle-ductile transition temperature (TBD) of PHB toughened by PPC decreased from 60°C to 10°C with the increase in PC content. As PC is the plasticizer of PPC, the mechanical properties, such as Young’s modulus of plasticized PPC with different PC contents, were also studied. Sequentially, the relationship between TBD and the ratio of the Young’s modulus (E1) of the PHB matrix to that of the plasticized PPC elastomer (E2) was investigated. It was found that the Young’s modulus of plasticized PPC should be considerably lower than that of the PHB matrix in order to obtain ’the tough PHB/plasticized PPC blends at a lower temperature. In contrast, the morphology of the dispersed particles also had an important influence on the toughness. When the plasticizer content was more than 20 wt.%, the PPC particles became more spherical and smaller. The toughness could be considerably improved accordingly.
On rearrangement theorems in Banach spaces
Authors: Chobanyan Sergei , Giorgobiani George , Kvaratskhelia Vakhtang , Levental Shlomo , Tarieladze Vaja 
Published: May 2014

Abstract.
It is shown that every infinite-dimensional real Banach space X contains a sequence

(

x
n

)

n
∈
ℕ

$(x_n)_{n\in \mathbb {N}}$

with the following properties:
(a) Some subsequence of

(

∑

k
=
1

n

x
k

)

n
∈
ℕ

$(\sum _{k=1}^nx_k)_{n\in \mathbb {N}}$

converges in X and

sup

n
∈
ℕ

∥

∑

k
=
1

n

x
k

∥

≤
1

$\sup _{n\in \mathbb {N}}\Vert \sum _{k=1}^nx_k\Vert \le 1$

;
(b)

∑

k
=
1

∞

∥

x
k

∥

p

<
∞

$\sum _{k=1}^{\infty }\Vert x_k\Vert ^p&lt;\infty $

for every

p
∈

]
2
,
+
∞
[

$p\in {]2,+\infty [}$

;
(c) for any permutation

π
:
ℕ
→
ℕ

$\pi :\mathbb {N}\rightarrow \mathbb {N}$

and any sequence

(

θ
n

)

n
∈
ℕ

$(\theta _n)_{n\in \mathbb {N}}$

with

θ
n

∈

{
-
1
,
1
}

$\theta _n\in \lbrace -1,1\rbrace $

,

n
=
1
,
2
,
...

$n=1,2,\ldots $

,
the series

∑

k
=
1

∞

θ
k

x

π
(
k
)

$\sum _{k=1}^{\infty }\theta _k x_{\pi (k)}$

diverges in X.
This result implies, in particular, that the rearrangement theorem and the Dvoretzky–Hanani theorem fail drastically for infinite-dimensional Banach spaces.
The use of diethylene glycol in the synthesis of 2,2′-bibenzimidazole from o-phenylenediamine and oxalic acid
Authors: Mądrzak-Litwa Iwona , Borowiak-Resterna Aleksandra 
Published: May 2014

Abstract
One- and two-step syntheses of 2,2′-bibenzimidazole were compared. Diethylene glycol was used as solvent that provides good solubility of the substrates. The limitation of the one-step preparation is the formation of the by-product, fluoflavine. The two-step synthesis proceeds with the separation of the intermediate product, 1,4-dihydroquinoxaline-2,3-dione, and the final product is only 2,2′-bibenzimidazole. The total yield of the two-step synthesis is above 85%.
Destructive and non-destructive evaluation of seven hardwoods and analysis of data correlation
Authors: Ponneth Dhanya , Vasu Anoop Elaveettil , Easwaran Jayasree Chandramana , Mohandass Aadarsh , Chauhan Shakti S. 
Published: May 2014

Abstract
Wood physical and mechanical properties in seven tropical hardwood species viz., Acacia auriculiformis A. Cunn. ex Benth., Artocarpus hirsutus Lamk., Artocarpus heterophyllus Lamk., Swietenia
macrophylla King, Xylia dolabriformis Benth., Hevea braziliensis (H.B.K.) M. A.), and Tectona grandis L.f. have been studied by means of destructive and non-destructive techniques (NDT). Mechanical strength properties and specific gravity were evaluated by conventional methods. NDT was carried out by a Pilodyn and Treesonic Microsecond Timer (TMT) to measure a steel pin penetration depth into wood and dynamic MOE, respectively. In focus was the question, whether NDT data are suitable predictors for physical and mechanical properties of the indicated hardwood species. Dynamic MOE obtained by TMT correlated strongly positive with all the strength properties studied, except shearing stress. TMT data also correlated very well to static bending MOE and MOR. A linear relationship was found between Pilodyn steel pin penetration depth and oven dry specific gravity in all the species. Both Pilodyn and TMT proved to be useful predictors of timber properties, and these instruments have a high potential for timber grading.
On-line monitoring of hygroscopicity and dimensional changes of wood during thermal modification by means of neutron imaging methods
Authors: Sonderegger Walter , Mannes David , Kaestner Anders , Hovind Jan , Lehmann Eberhard 
Published: May 2014

Abstract
European beech (Fagus sylvatica L.) and Norway spruce [Picea abies (L.) Karst.] have been thermally modified in a combined air-steam atmosphere between 70°C and 150°C and pressures up to 4 bar, and the changes of dimensions and moisture contents (MC) of the samples were studied in-situ by means of neutron imaging (NI). This non-invasive testing method offers unique opportunities. NI is highly sensitive for hydrogen and thus well suited for monitoring the MC changes, although some metals (e.g., Al), indispensable for sample environments under high temperature and pressure, are practically transparent to neutrons. The results show that the modification induced changes of MC and dimensions both in radial and tangential direction can well be determined by NI. Dimensional changes from water saturation to oven-dry state, the sorption isotherms, and the differential swelling were observed. Additionally, the sorption behaviour at 20°C was investigated after thermal modification and colour measurements were carried out before and after the thermal treatment.