bluuebunny/crossref_metadata_2025 huggingface dataset:
Bertolt Brecht’s The Life of Galileo: A Play of Conflict between Dogmatic Religious Belief and Scientific Temperament
Authors: G. M. Murtheppa
Published: July 2023

The conflict between scientific temperament and theology as theology always dominated other disciplines in the earlier days has been debated from time immemorial. Many times, theology, though it was said that it had patranised all genera of disciplines never paved ways to nourish and flourish the freedom of thought, research and expression. Ultimately, it is the scientific temperament of the scientists as well as the rationalists that ignited the minds of the common to churn over the dogmas and triumphs at the end. Brecht using his craftsmanship has delineated it vividly in the play, The Life of Galileo to enact it through the technique of ‘Absurd Theatre’. The present paper tries to through much light on this conflict in nutshell with reference to the play, The Life of Galileo.
Sikkh sanrakshan maen Pahari Chitarvanshiy Shaeliyon ke samanjasy se Sikkh Shaeli ka vikash
Authors: Dr Balbinder Kumar
Published: July 2023

The Sikh style is unique due to its individual characteristics, which evolved from the Mugal style, a blend of Rajasthani, Iranian, Mughal, and European styles. It features subjects like proliferate, nihangas, Punjabi women, women's clothing, cooking, and other special subjects. The collection of these paintings is collected from the Chandigarh Museum.
The Effectiveness of Caffeine (Rescuecaf) in Craving Reduction and Relapse Prevention in Methamphetamine Use Disorder: A Randomized Double-Blind, Placebo-Controlled Clinical Trial
Authors: Sahraei Hedayat , Shams Jamal , Eftekharzadeh Razeyeh , Hosseinzadeh Oskouei Ali , Foroutan Seyed Mohsen , Zahiroddin Alireza
Published: July 2023

Background: One of the most critical public health issues in psychiatric and medical concerns is methamphetamine (METH) dependence. Objectives: The present study aimed to investigate caffeine (Rescuecaf) effectiveness in reducing craving and relapse prevention in METH dependence. Methods: In this double-blind, randomized clinical trial, 15 participants in the experimental group received 4.5 mg/kg of caffeine (with an average daily dose of 300 mg for each participant for three months), and 15 patients with METH use disorder were treated with the placebo. Addiction severity was measured daily using the addiction intensity index (ASI). The Amphetamine Withdrawal Questionnaire (AWQ), Amphetamine Selective Severity Assessment (ASSA), and Drug Complications Questionnaire were used for data collection. Statistical analysis was carried out on weeks 1, 6, and 12 after the intervention and between caffeine- and placebo-treated patients based on repeated measures and multivariate analysis of variance (MANOVA) at the 95% confidence interval. Results: There was a significant difference between the experimental and placebo groups in METH-dependency and deprivation symptoms. In addition, in the experimental group, there was a significant difference between weeks 1, 6, and 12 (P > 0.05), but no significant difference was found between weeks 6 and 12. No significant side effects were seen during caffeine consumption during the second, fourth, and sixth weeks. Conclusions: Caffeine is an efficient, new drug capable of managing amphetamine withdrawal syndrome.
Positive Implications of Experiencing Grief for Health Professionals in Iran: A Qualitative Study
Authors: Erami Elahe , Taghadosi Mohsen
Published: July 2023

Background: As an unavoidable experience in oncology departments, grief following a patient’s death, coupled with work difficulties, can affect health professionals’ individual and work performance. Objectives: The present research was conducted to explain the positive consequences following the experience of grief for oncology nurses. Methods: In 2021, the present qualitative study utilized content analysis and interviewed 20 nurses working in the oncology wards of hospitals affiliated with universities of medical sciences in Iran. Purposive sampling was performed, and data were collected through unstructured interviews until reaching data saturation. The data collected were analyzed in MAXQDA10 based on conventional content analysis. Results: The main concepts were categorized into three themes and seven subthemes. The themes included “promoting and practicing religious beliefs,” “feeling rewarded after experiencing grief,” and “promoting ethical virtues.” Conclusions: According to the present findings, the nurses identified having profound religious and spiritual beliefs, promoting ethical virtues, and using positive experiences associated with grief over patient deaths as the positive implications of experiencing grief. These results can be employed to design interventions for preventing burnout in nurses and assisting them in providing high-quality care. Strengthening the positive implications of experiencing grief is one way to prevent the negative effects of grief on health professionals. Recommendations include implementing educational programs to improve these outcomes.
Datasets Created from Routine Laboratory Parameters for Use in the Diagnosis, Prognosis, and Mortality of COVID-19
Authors: HUYUT Mehmet Tahir
Published: July 2023

: It is important to diagnose coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 at an early stage and to monitor severely infected patients in order to reduce the lethality of the disease. In addition, there is a need for alternative methods with lower costs and faster results to determine the severity of the disease. In this context, routine blood values can be used to determine the diagnosis/prognosis and mortality of COVID-19. In this study, three optimized datasets were prepared to determine the features that affect the diagnosis, prognosis, and mortality of COVID-19. These datasets can be used by researchers to determine the diagnosis and severity of COVID-19 with various classifier machine learning models and artificial intelligence methods. It is hoped that studies on these datasets will reduce the negative pressures on the health system and provide important clinical guidance for decision-makers in the diagnosis and prognosis of COVID-19.
Nature & project
Authors: Mateo Josep Lluís , Colominas Golobardes Manuel , Garriga Gimeno Queralt , Prat Jaume , Ravetllat Mira Pere Joan , Ortega Cerdà Lluís , Salvadó Cabré Anton Maria
Published: July 2023

Once again, the Barcelona School of Architecture-ETSAB, jointly with the Barcelona Metropolitan Area-AMB, promotes Visiting Studio, a workshop that is the product of close collaboration between the UPC and the AMB, with the aim of contributing new visions, from different places, to studies in architecture. These new methodological visions and resources will serve to create more tools for learning, as happens in schools of architecture in other countries. This workshop is taught by a visiting lecturer, a lecturer at a European university. It is aimed at senior students, future architects about to embark on their professional careers. The proposed theme is based on a real commission, a project currently being designed by one of the teams of architects specializing in public space or the urban planning departments. The AMB provides knowledge of the place and its territorial context, the outline of the brief, and the professional experience forged by many years of work in the construction of public space and metropolitan facilities. The students, tutored by an internationally renowned architect, contribute open-minded reflections and academic solutions to the theme presented. The result is a workshop aimed at sharing knowledge, which produces many stimulating and enriching multidirectional exchanges. In the review sessions, thanks to the various profiles of professional practice, students receive new inputs in the process of city planning and design, and AMB architects draw inspiration from multiple ways of seeing and understanding public space as an element that is capable of structuring metropolitan territory and ensuring its cohesion.
MGM. Morales de Giles Arquitectos
Authors: Morales José , Giles Sara de , Garriga Gimeno Queralt , Hernández Falagán David , Lara Ruiz María de , Revuelto Soledad
Published: July 2023

Este curso el Taller de Proyectos Visiting Studio ha contado con la presencia de los profesores y arquitectos sevillanos Sara de Giles y José Morales. Entender y asumir la presencia de otros modos de hacer diferentes a los que estamos acostumbrados, y de los que probablemente no somos muy conscientes de su inercia, nos permite alzar la vista y mirar al horizonte y a nuestro alrededor de un modo diferente. Ello nos enriquece como arquitectos y como personas al consolidar una cultura más plural y más abierta al mundo, al mundo que nos rodea. Este foco de interés, el Visiting Studio vuelve a confirmar otra vez este hecho irrebatible y que el convenio entre el AMB y la ETSAB nos permite consolidar estas circunstancias. Gracias una vez más. Sara de Giles y José Morales nos ofrecen un modo de mirar y de entender la Arquitectura diferente y que viene respaldada por su magnífica obra profesional, por sus libros donde exponen su pensamiento arquitectónico, y por las conferencias donde confirman ese equilibrio entre el pensamiento y la realidad: una cultura arquitectónica que empapa las raíces docentes desde donde brotarán nuevos alumnos quienes son, en definitiva, nuestra carta de presentación frente al mundo y la vida. Y estamos orgullosos de ello.
Pembelajaran Qowaid dengan Metode Ulul Albab
Authors: Rahma P Erlina , Wafiroh Hibatin , Iyyaanal F Immaa , Saga Orin , Afyuddin Moh Sholeh
Published: July 2023

This study aims to find out and explain about qowaid learning using the Ulul Albab method. In this study, the research method used was a descriptive qualitative method, while the data collection technique used observation, interviews, questionnaires, and documentation. The research took a discussion about learning qowaid science because of the importance of this science in learning Arabic, especially to make it easier for someone to be able to read the yellow book and other Arabic essays, so that several quick methods of reading the yellow book were created that were applied in various educational institutions, one of which was the Ulul Albab method used at the Ulul Albab Islamic boarding school in Kediri City,  This method has books that take references from several Nahwu and Shoroof books. So that the guidance between methods and books in the Ulul Albab method is considered effective and can make it easier for students to learn qowaid knowledge
Peran Strategis Mahasiswa dalam Mengembangkan Bahasa Arab di Dunia Usaha dan Industri
Authors: Fahraini Sovia , Almaliki Muhammad Fikri
Published: July 2023

Along with the times, students are required to be able to think creatively and make innovative contributions to face industry 5.0. This is because, in reality, there are many graduate students who are not ready to face the world of work, lack creativity, so they rely on working in private institutions or government-owned institutions. Meanwhile, if this continues, there will be many graduates who end up being unemployed. So, the Kediri State Islamic Institute provides an Entrepreneurship Lecture Program (KWU) to help students, especially in Arabic language education study programs, channel their interests and talents as well as add expertise in business and industry. Arabic language education students are not only prepared to become teachers, but can also contribute to entering the world of business and industry and contribute to providing jobs for others. Thus, researchers contribute to examining how the strategic role of students in developing Arabic in the world of business and industry. This study uses descriptive qualitative methods using questionnaires, interviews and observations to obtain valid data results. The existence of the Entrepreneurship Lecture Program (KWU) is a form of forum for students to channel and develop their knowledge so that it can become a provision to play their role in the world of business and industry. KWU is also a solution to prepare students, especially at IAIN Kediri, to become graduates who are ready to enter the business and industrial sectors. In the Arabic Language Education Study Program, the existence of entrepreneurship can help develop Arabic to international level.
Analisis Semantik Toshihiko Izutsu tentang Makna “Basyar” dalam al-Quran dan hubungannya dengan Pendidikan
Authors: Hamdy Mohammad Zainal , Huda Miftahul , Ningsih Wiwik Prasetiyo , Munirah Munirah
Published: July 2023

Semantic Studies or ilm dilalah is one of the studies in Arabic language that is used to understand the meaning or meaning of a word, it is also said ilm ma'na, Toshihiko Izutsu is an expert in semantic studies who has his own concept in studying a meaning, especially meaning in the Koran. This study aims to find the meaning or concept of basyar in the Koran using Toshihiko Izutsu's theory, then look for the relationship between this concept and Islamic Education. The research method used is literature review whose data comes from books or references. The results of this study indicate that basyar has 3 conceptual meanings namely Creation, Biology, and Prophethood. And Islamic Education plays a role in regulating and educating basyar from a biological aspect so that they are able to become knowledgeable, faithful and pious human beings like the prophets
Watching Musical Symbols Grow
Authors: Ness Sally Ann ,   Semiotic Society of America
Published: July 2023

The changing forms of gestures used in choral conducting (both in rehearsal and performance) exemplify processes of symbol growth that challenge interpretations of Charles S. Peirce’s later hexadic semiotic as aligning with highly deterministic, (post-)structuralist theories of semiosis. The case in point discussed, a performance of Charles Ives’s A Christmas Carol, demonstrates that the Dynamic Object represented via the conductor’s changing gestures with each new instance of practice is at every turn subject to a host of unpredictable circumstances that limit its determinative powers. This predicament continuously factors into the sign’s immediate formations (Immediate Object and Interpretant) as well as its extramusical meaning-making capabilities (the formation of Dynamic and Final Interpretants). The conducting process, from first rehearsal through concert performance, illustrates how creativity in Representamen formation is an expansive force on which every form of Symbol growth depends.
Reform or Euthanasia of Metaphysics?
Authors: Vanheeswijck Guido ,   Philosophy Documentation Center
Published: July 2023

Although the philosophical ideas of the English philosopher Robin George Collingwood on history and art have often been compared with those of the German philosopher Wilhelm Dilthey, an in-depth comparison between their concepts of metaphysics was never made. Therefore, the focus in this article is on both authors’ concepts of metaphysics. It is shown that, despite the undeniable affinity, their views of the status of metaphysics differ substantially. Both Dilthey and Collingwood focus on an inherent antinomy in the project of metaphysics. On the one hand, there is the inescapable relativity of all time-bound ways of thinking and their results; on the other, there is the metaphysical search for objective and generally accepted knowledge of reality as a whole. For Dilthey, the awareness of its historical character reveals the impossibility for metaphysics to provide a foundation for natural and human sciences alike. Collingwood’s aim, by contrast, is to safeguard the possibility of metaphysics as a historical science to supply an enduring foundation of natural and human sciences. To clarify this radical difference with regard to the role of metaphysics, I make three steps. First, I situate Dilthey’s critique of metaphysics within the context of his work in order to present his ‘solution’ of the metaphysical antinomy. Second, I focus on the role of Collingwood’s reform of metaphysics and his ‘solution’ of the metaphysical antinomy. Finally, I relate the different status of their views of metaphysics to their divergent interpretations of human finitude.
At the Intersection of uṣūl al-fiqh and kalām: The Commentary Tradition on Ṣadr al-Sharīʿa al-Thānī’s al-Muqaddimāt al-arbaʿ
Authors: Bruckmayr Philipp ,   Journal of Islamic Philosophy
Published: July 2023

Ṣadr al-Sharīʿa al-Thānī al-Maḥbūbī (d. 747/1346) was the last major Māturīdī theologian of Transoxania. As he left no work of rational theology (kalām) proper, one of the chief sources of his theological thought is his book on legal theory, al-Tawḍīḥ fī ḥall ghawāmiḍ al-Tanqīḥ. Because the work served as a prominent reference for both legal theory and rational theol­ogy, an extensive commentary tradition on it emerged as it was transmitted from Transoxania to South Asia, Anatolia, and the Arab world. A distinctive subfield of this commentary tradition consisted of glosses devoted exclusively to one specific section of al-Tawḍīḥ. Revolving around the nature of good and evil, and intimately linked to the question of human free will, this part of Ṣadr al-Sharīʿa’s text came to be treated as a separate work, commonly referred to as al-Muqaddimāt al-arbaʿ (“The four pro­legomena”). Due to its role as a highly sophisticated refutation of late Ashʿarī doctrine on human volition, al-Muqaddimāt al-arbaʿ eventually developed into a prime source for later Māturīdī scholars in their discussion of human volition and related topics.
From Fiqh to Sufism: Aḥmad al-ʿAlawī’s (d. 1934) Transdisciplinary Commentary al-Minaḥ al-quddūsiyya
Authors: Ingalls Matthew B. ,   Journal of Islamic Philosophy
Published: July 2023

This paper centers its analysis around the remarkable work of the transdisciplinary commentary al-Minaḥ al-quddūsiyya, written by the Algerian scholar Aḥmad al-ʿAlawī (d. 1934). Although they are incredibly rare in the Islamic textual tradi­tion, transdisciplinary commentaries are commentaries that are written in a discipline different from that of the base texts upon which they build. In the case of the Minaḥ, al-ʿAlawī wrote his text as an entirely Sufi commentary upon Ibn ʿĀshir’s (d. 1040/1631) al-Murshid al-muʿīn, a didactic poem that is often categorized as a work of Mālikī fiqh. Through an examination of the text of the Minaḥ and the biography of its author, this paper aims to uncover why al-ʿAlawī wrote his commentary and what his ideological assumptions were that allowed him to approach Ibn ʿĀshir’s Murshid in such a novel manner.
Observations Concerning the Development of Early Commentaries on the Wisdoms of Ibn ʿAṭāʾ Allāh al-Sakandarī (d. 709/1309) – The Emergence of a Tradition
Authors: Lützen Florian A. ,   Journal of Islamic Philosophy
Published: July 2023

This article investigates the emergence of the first commentar­ies on al-Ḥikam al-ʿAṭāʾiyya (ʿAṭāʾian Wisdoms), written by Ibn ʿAbbād of Ronda (d. 792/1390) and Aḥmad Zarrūq (d. 899/1494), from within their respective contexts. Particular focus is placed on how the tradition of commenting on the text was undertaken against the backdrop of the formation of the Sufi movements and concerns from the scholarly community. The formation of the Shādhiliyya coincides with these first commentaries on the Wisdoms, and hence, it is no coincidence that both scholars intensively discuss different types of Sufism in their works.To date, when scholars discuss Ibn ʿAbbād and Zarrūq, their respective roles in society and the evolving Sufi move­ments are emphasized, but their commentaries on the Wisdoms are neglected to a certain extent. In addressing this gap, this contribution offers observations concerning the permissibility of reading Sufi books, the commentary culture in Western (maghribī) Sufism, and the development of the Shādhiliyya movement, and provides an outlook on how al-Ḥikam al-ʿAṭāʾiyya later became part of the university curriculum.
Social Proximity, Moral Obligation, and Intellectual Loyalty: The Commentaries of Muḥyī al-Dīn al-Nawawī (d. 676/1277) and Badr al-Dīn Ibn Jamāʿa (d. 733/1333) on the Muqaddima of Ibn al-Ṣalāḥ (d. 643/1245)
Authors:   Journal of Islamic Philosophy
Published: July 2023

The Muqaddima of Ibn al-Ṣalāḥ on the science of Ḥadīth has attracted a large and complex commentary tradition. Its complexity lies in the fact that certain sorts of commentarial literature, such as abridgments (sg. mukhtaṣar), commentaries (sg. sharḥ), critical commentaries (nukat), and versifications (sg. manẓūma), were produced with a different focus across scholarly networks, locations, and time. Moreover, depending on the orientation of the scholarly networks that a commenta­tor belonged to, the commentaries show different degrees of intellectual loyalty to the base text. Some support the argu­ments of the base text and follow its structure closely, while others refute ideas and restructure the content. This article centers its analysis on two examples of commentaries on the Muqaddima. Its leading hypothesis is that social proximity or distance to Ibn al-Ṣalāḥ and the network of his close students determines the degree of moral obligation and intellectual loyalty to Ibn al-Ṣalāḥ and the base text. The commentaries of al-Nawawī and Ibn Jamāʿa demonstrate this relation clearly.
A narrative review of alterations in PANDAS syndrome: Where do we draw the line?
Authors:   Department of Microbiology and virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran, Moghadam Shaghayegh Zahmatkesh , Azari Behnam , Mansouri Davoud ,   Department of Medical Laboratory Sciences, Varastegan Institute for Medical Sciences, Mashhad, Iran,   Department of Microbiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran, Mehri Ali ,   Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Iran, Ghazvini Kiarash ,   Antimicrobial Resistance Research Centre, Mashhad University of Medical Sciences, Mashhad, Iran
Published: July 2023

PANDAS or Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infection is a concerning disorder in childhood. Co-existence of the OCD and tic disorders after the infection of group A β-hemolytic streptococcus may cause PANDAS. PANDAS supported molecular mimicry as the cause of disorder. Characteristic changes that may be related to the alterations in the nervous system are demonstrated to be the first line of diagnosis. In PANDAS, some parts of the brain may undergo changes like dysfunction in basal ganglia and inflammation in striatum, etc. In this disorder not only do the symptoms tangle the nervous system, but also alterations in gut microbiota which correlate with the brain in psychiatric diseases are feasible. In addition, the studies on genetic aspects of PANDAS showed that changes can lead to the exacerbation in PANDAS. In this paper, we provide data related to signs and symptoms of PANDAS to clarify the importance of this disorder in childhood and adulthood as a side effect of streptococcal infection.
Isolation And Antibiotic Sensitivity of Multi Drugs Resistant Klebsiella Pneumoniae Among Urinary Tract Infected Patients in Nasarawa State
Authors:   Owerri, Imo State Nigeria, . Anekwe ,   Owerri, Imo State Nigeria, . Fadayomi , A.G V.K, Gowon, ,   Federal university Lafia,   Department of Science Laboratory Technology, Federal Polytechnic Wannune, Benue state, J.B Agbese, ,   Department of Biology, Federal College of Education (Technical) Bichi, Kano State Nigeria, M.I Kuleve, ,   Benue State University, Nigeria Department of Microbiology, School of Biological Science, Federal University of Technology, O.I Jonah, ,   Command Science Secondary School Lafia
Published: July 2023

Klebsiella pneumoniae complications with limited therapeutic options is considered as one of the major health issues concerning health care professionals worldwide. It is one of the leading nosocomial bacterial pathogens that causes urinary tract infection, and recently the antibiotic resistance of this pathogen has increased dramatically. The cross-sectional study was performed from September 2017 to the end of December 2017. This study aims at the isolation and antibiotic sensitivity of the Klebsiella pneumoniae among patients with sign and symptoms of UTI.
The Effect of Warning Images and Texts on Cigarette Packages on Smoking Behavior Among Healthcare Professionals
Authors: Öztürk Melek , Aydın Neriman
Published: July 2023

Objectives: The opinion of health staff working at hospitals connected to Gaziantep Province Public Hospitals Union on the effects of warning purposed pictures and texts on cigarette packages on smoking behavior was searched.
Methods: 458 health staff participated in the research. Percentage, frequency and chi-square test were used in the data analysis.
Results: 42.8% of the participants were midwife nurses, 22.5% were specialist physicians, 19.9% were laboratry-anesthesia-X-ray techician and 14.8% were general practitioners. The smoking rate of the particiapants was found to be ’41.4%. The rate of the ones who want to give up smoking was determined as 52.6%. The health staff were highly affected by the united warnings on the cigarette packages (61.5%). Most of the participants think that this application may be effective in fighting smoking (43.9%). The most important factor in giving up smoking was the health problems caused due to smoking (56.5%). Prohibition of smoking in enolosed spaces was seen as the most effective method in fighting smoking. The united warnings on the cigarette packages were seen as the least effective method both among giving up smoking reasons and in fighting smoking, differences were determined among the groups according to demographic features and smoking habits (p˃0.05). The most effective warnings were like this in order; ‘‘smoking during pregnancy gives harn to the bayb’’ (72.1%), ‘‘protect your childeren, don’t let them breathe your smoke’’ (66.8%), ‘‘smoking causes fatal lung cancer’’ (59.6%) and the least effective warnings were like this in order; ‘‘ask for help from your doctor and the closest cottage hospital to give up smoking’’ (31.7%), ‘‘health institutions help you to give up smoking’’ (38.2%) and ‘‘smokers die young’’ (41.3%).
Conclusion: As a result of this study, it was put forth that the health staff whose smoking rate is high should primarily be taken to education programs on giving up smoking and then their support should be taken to fight smoking. On smoking behavior, the content of the warnings placed on cigarette packakes shown effective for pictures and texts should be further enhanced.
STUDENTS’ PERCEPTION OF COOPERATIVE LANGUAGE LEARNING-IN EFL LEARNERS’ CLASSROOM
Authors: Nikko Barri , Salsabila Sarah
Published: July 2023

Student perception plays a crucial role in determining their understanding and engagement in the classroom. By understanding students' perceptions, teachers can effectively develop a revitalizing learning environment that caters to their specific needs. With this objective in mind, a research study was conducted to investigate the perceptions of twenty-eight students from SMKN 1 Kedawung regarding the implementation of cooperative learning. The findings revealed that students responded positively to cooperative learning, which proved to enhance their academic achievements, motivation, and social values. To gather data, a survey questionnaire was distributed among the participants to gauge their perceptions of the cooperative learning approach employed in class. Overall, the study demonstrates that cooperative learning is an effective method for classroom instruction, as it not only motivates students but also positively impacts their academic and social development.
The impact of temperature and humidity on the thermal resistance of waste materials for the efficiency of the building envelope
Authors: Soliman Ashraf , Elbialy Samy
Published: July 2023

A thermal insulation material’s effectiveness is influenced by its thermal conductivity and ability to maintain its thermal characteristics, particularly in hot and humid environments. In this study, different waste materials used in building envelopes are investigated for their thermal conductivity under temperature and humidity variations. Four materials are being studied experimentally; rubber, paper, plastic, and foam are mixed separately and proportionally with plain mortar. Thermal conductivity in testing samples is determined using heat-flow meters. Testing waste materials in a room environment for 14 days revealed varying degrees of thermal resistance. Compared to plain mortar, the inclusion of rubber, plastic, paper, and foam increase thermal resistance by 1.6, 43.4, 50.5, and 101.4%, respectively. In a climatic testing chamber, samples were exposed to extreme temperatures and humidity levels consistent with Bahrain’s monthly average temperatures. To determine the effect of changes in temperature and humidity on each waste material’s thermal properties, the thermal resistance of the samples was measured after 24, 48, and 72 hours. The change in environmental factors seems to have a mild impact on rubber’s thermal resistance. Most materials are foam and plastic, while paper and paperboard are moderately affected. Such a change is not substantial for the four tested waste materials during the July environment. Foam, which has demonstrated more significant changes throughout the January environment, shows fewer changes than rubber, paper, and plastic. In an extreme environment, all the tested waste materials, except for plastic, are highly influenced by exposure to extremities of temperature and relative humidity.
Duality arguments for well-posedness of history-dependent variational inequalities
Authors: Hu Rong , Sofonea Mircea
Published: July 2023

In this article we introduce a concept of dual problems in metric spaces. Then we state and prove an equivalence result concerning their well-posedness with respect to appropriate Tykhonov triples. We exemplify this result in the study of a history-dependent variational inequality with time-dependent constraints, for which the dual problem is in a form of a history-dependent inclusion. This allows us to deduce a convergence result which provides the continuous pendence of the solution with respect to the data. We end this paper with an example which represents an evidence of our abstract results.
Blow-up for parabolic equations in nonlinear divergence form with time-ependent coefficients
Authors: Shen Xuhui , Ding Juntang
Published: July 2023

In this article, we study the blow-up of solutions to the nonlinear parabolic equation in divergence form, $$\displaylines{\big(h(u)\big)_t =\sum_{i,j=1}^{n}\big(a^{ij}(x)u_{x_i}\big)_{x_j}-k(t)f(u)\quad\hbox{in } \Omega\times(0,t^{*}), \cr \sum_{i,j=1}^{n}a^{ij}(x)u_{x_i}\nu_j=g(u) \quad\hbox{on } \partial\Omega\times(0,t^{*}),\cr u(x,0)=u_0(x)\geq 0 \quad\hbox{in } \overline{\Omega},}$$ where \(\Omega\) is a bounded convex domain in \(\mathbb{R}^n\) \((n\geq2)\) with smooth boundary \(\partial\Omega\). By constructing suitable auxiliary functions and using a differential inequality technique, when \(\Omega\subset\mathbb{R}^n\) \((n\geq2)\), we establish conditions for the solution blow up at a finite time, and conditions for the solution to exist for all time. Also, we find an upper bound for the blow-up time.In addition, when \(\Omega\subset \mathbb{R}^n\) with \((n\geq3)\), we use a Sobolev inequality to obtain a lower bound for the blow-up time.
Homogenization of boundary optimal control problem
Authors: Mishra Indira
Published: July 2023

In this article, we study the asymptotic behavior of solutions to some optimal control problems, governed by an elliptic boundary value problem with Robin boundary conditions in a periodically perforated domain. The coefficients of the differential operator in the state equation and in the cost-functional are rapidly oscillating. We also study the boundary homogenization of some optimal control problems.
Remarks on the second Neumann eigenvalue
Authors: Sabina de Lis Jose C.
Published: July 2023

his work reviews some basic features on the second (first nontrivial) eigenvalue \(\lambda_2\) to the Neumann problem $$\displaylines{ -\Delta_p u = \lambda |u|^{p-2}u \quad x\in \Omega\cr |\nabla u|^{p-2}\frac{\partial u}{\partial \nu}=0 \quad x\in \partial\Omega, }$$ where \(\Omega\) is a bounded Lipschitz domain of \(\mathbb{R}^N\), \(\nu\) is the outer unit normal, and \(\Delta_p u = \text{div}(|\nabla u|^{p-2}\nabla u)\) is the p-Laplacian operator. We are mainly concerned with the variational characterization of \(\lambda_2\) and place emphasis on the range \(1 < p < 2\), where the nonlinearity \(|u|^{p-2}u\) becomes non smooth. We also address the corresponding result for the p-Laplacian in graphs.
Stability analysis of an age-structured viral infection model with latency
Authors: Li Chunyang , Dong Xiu , Wang Jinliang
Published: July 2023

Age structure and cell-to-cell transmission are two major infection mechanisms in modeling spread of infectious diseases. We propose an age-structured viral infection model with latency, infection age-structure and cell-to-cell transmission. This paper aims to reveal the basic reproduction number and prove it to be a sharp threshold determining whether the infection dies out or not. Mathematical analysis is presented on relative compactness of the orbit, existence of a global attractor, and uniform persistence of system. We further investigate local and global stability of the infection-free and infection equilibrium.
Some applications of Lyapunov regularity
Authors: Barreira Luis , Valls Claudia
Published: July 2023

For a non-autonomous dynamics with discrete time defined by a tempered sequence of upper-triangular matrices, we obtain lower and upper bounds for the Grobman regularity coefficients. We also give two applications of these results: we obtain an upper bound for the Grobman coefficients of the exterior powers of a tempered sequence, and we give a simple proof of Oseledets' multiplicative ergodic theorem for cocycles over a measure-preserving transformation without using Kingman's subadditive ergodic theorem.
Nonstationary Lame system without definite sign energy
Authors: Millla Miranda Manuel , Louredo Aldo Trajano , Clark Marcondes Rodrigues , Gouveia Giovana Siracusa
Published: July 2023

This article concerns the existence and decay of solutions of a nonstationary Lame system. This system has a nonlinear perturbation that produces an energy without definite sign. We consider displacement and traction conditions at the boundary and a general nonlinear boundary damping. We also obtain exponential decay of the energy.
Bounds for the spectral radius of positive operators
Authors: El Khannoussi Mohammed Said , Zertiti Abderrahim
Published: July 2023

We use partially ordered spaces to obtain bounds for the spectral radius of positive linear operators, and to improve the corresponding fixed point theorems.
Lower and upper solutions for delay evolution equations with nonlocal and impulsive conditions
Authors: Zhang Xuping
Published: July 2023

In this article, we apply the method of lower and upper solutions for studying delay evolution equations with nonlocal and impulsive conditions in infinite dimensional Banach spaces. Under wide monotone conditions and noncompactness measure condition of nonlinear term, we obtain the existence of extremal solutions and a unique solution between lower and upper solutions. A concrete application to partial differential equations is considered.
Initial layer associated with Boussinesq systems for thermosolutal convection
Authors: Fan Xiaoting , Wang Wei
Published: July 2023

This article concerns the behavior of the initial layer appearing at large Prandtl number in Boussinesq equations with the ill initial data. By using the asymptotic expansion methods of singular perturbation theory, we establish an approximate solution and the rate of convergence as the Prandtl number tends to infinity.Our results improve the existing ones concerning thermosolutal convection.
Dynamical behavior in a reaction-diffusion system with prey-taxis
Authors: Song Yingwei , Zhang Tie , Li Jinpeng
Published: July 2023

In this article, we study a diffusive predator-prey system with prey-taxis under homogeneous Neumann boundary conditions. We establish the existence and boundedness of nonnegative global solutions. Through comparison with the system without prey-taxis, we find that the positive constant equilibrium remains stable for positive prey-taxis, while negative prey-taxis makes it unstable.
Oscillation of modified Euler type half-linear differential equations via averaging technique
Authors: Hasil Petr , Sisolakova Jirina , Vesely Michal
Published: July 2023

In this article, we analyze the oscillation behavior of half-linear differential equation $$\big( r(t) t^{p-1} \Phi(x')\big)' + \frac{s(t)}{t \log^pt} \Phi(x) = 0, \quad \Phi(x)=|x|^{p-1}\text{sgn} x, \quad p > 1. $$ Applying the modified half-linear Prufer angle and a general averaging technique over unbounded intervals, we prove an oscillation criterion for the studied equation. We point out that the presented oscillation criterion is new even in the linear case when p=2.
Stability analysis of the Peaceman-Rachford method for parabolic equations with nonlocal conditions
Authors: Sapagovas Mifodijus , Novickij Jurij , Ciupaila Regimantas
Published: July 2023

We consider an efficient finite difference method solving of two-dimensional parabolic equations with nonlocal conditions. The specific feature of the investigated problem is that the nonlocal condition contains the values of solution's derivatives at different points. We prove the stability of this method in specific energy norm. The main stability condition is that all eigenvalues of the corresponding difference problem are positive. Results of computational experiments are presented.
Multi-dimensional c-almost periodic type functions and applications
Authors: Kostic Marko
Published: July 2023

In this article, we analyze multi-dimensional Bohr (B,c)-almost periodic type functions. The main structural characterizations for the introduced classes of Bohr (B,c)-almost periodic type functions are established. Several applications of our abstract theoretical results to the abstract Volterra integro-differential equations in Banach spaces are provided, as well.
Existence and nonexistence of global solutions to the Cahn-Hilliard equation with variable exponent sources
Authors: Chuong Quach V. , Nhan Le C. , Truong Le X.
Published: July 2023

In this article, we study the existence and nonexistence of global solutions to the Cahn-Hilliard equation with variable exponent sources and arbitrary initial energy. We also study the asymptotic behavior of weak solutions. Our results extend some recent results of Han [11]to PDEs with variable exponent sources.
Asymptotic behavior of cooperative systems involving p-Laplacian operators
Authors: Alvarez-Caudevilla Pablo
Published: July 2023

This work is devoted to the analysis of the asymptotic behavior of a parameter dependent quasilinear cooperative eigenvalue system when a parameter in front of some non-negative potentials approaches infinity. In particular we consider operators of p-Laplacian type. We prove that the eigenfunctions concentrate on the subdomains where those potentials vanish at the limit, while the eigenvalue approaches an upper bound that will depend on those subdomains. We also show several properties for the unusual limiting problems.
Boundedness and asymptotic stability in a chemotaxis model with indirect signal production and logistic source
Authors: Ye Xiaobing , Wang Liangchen
Published: July 2023

This article concerns the chemotaxis-growth system with indirect signal production $$\displaylines{ u_t=\Delta u-\nabla\cdot(u\nabla v)+\mu u(1-u),\quad x\in \Omega,\; t>0,\cr 0=\Delta v-v+w,\quad x\in \Omega,\; t>0,\cr w_t=-\delta w+u,\quad x\in\Omega,\; t>0, }$$ on a smooth bounded domain \(\Omega\subset \mathbb{R}^n\) (\(n\geq1\) with homogeneous Neumann boundary condition, where the parameters \(\mu, \delta>0\). It is proved that if \(n\leq 2\) and \(\mu>0\), for all suitably regular initial data, this model possesses a unique global classical solution which is uniformly-in-time bounded. While in the case \(n\geq 3\), we show that if \(\mu\) is sufficiently large, this system possesses a global bounded solution. Furthermore, the large time behavior and rates of convergence have also been considered under some explicit conditions.
Topological structure of the solution set for a fractional p-Laplacian problem with singular nonlinearity
Authors: Marcial Marcos Roberto , Miyagaki Olimpio H. , Pereira Gilberto A.
Published: July 2023

We establish the existence of connected components of positive solutions for the equation \( (-\Delta_p)^s u = \lambda f(u)\), under Dirichlet boundary conditions, where the domain is a bounded in \(\mathbb{R}^N\) and has smooth boundary, \((-\Delta_p)^s\) is the fractional p-Laplacian operator, and \(f:(0,\infty) \to \mathbb{R}\) is a continuous function which may blow up to \(\pm \infty\) at the origin.
Existence of solutions for a non-isothermal Navier-Stokes-Allen-Cahn system with thermo-induced coefficients
Authors: Lopes Juliana Honda , Planas Gabriela
Published: July 2023

This article aims to study the existence of solutions for a non-isothermalNavier-Stokes-Allen-Cahn system with thermo-induced coefficients.The system can be considered as a model describing the motion of a mixture of two viscous incompressible fluids with viscosity, thermal conductivity and interfacial thickness being temperature-dependent. This is a more general system than the previous ones considered in the literature, involving temperature dependence on all main coefficients. The strong non-linear couplings between those equations because of the temperature dependence brings new mathematical difficulties that only allows working in two dimensions.
Asymptotic behavior of solutions to coupled porous medium systems with boundary degeneracy
Authors: Zhao Xutong , Zhou Mingjun , Zhou Qian
Published: July 2023

This article concerns the asymptotic behavior of solutions of one-dimensional porous medium systems with boundary degeneracy in bounded and unbounded intervals. It is shown that the degree of the boundary degeneracy and the exponent of the nonlinear diffusion determine asymptotic behaviors of solutions. For the problem in a bounded interval, if the degeneracy is not strong, the problem admits both nontrivial global and blowing-up solutions, while if the degeneracy is strong enough, any nontrivial solution to the problem must blow up in a finite time. For the problem in an unbounded interval, the Fujita type blowing-up theorems are established and the critical Fujita exponent is formulated by the degree of the boundary degeneracy and the exponent of nonlinear diffusion.
Existence of positive solutions for fractional Laplacian systems with critical growth
Authors: Correia Jeziel N. , Oliveira Claudionei P.
Published: July 2023

In this article, we show the existence of positive solution to the nonlocal system $$\displaylines{ (-\Delta)^s u +a(x)u=\frac{1}{2_s^*} H_u(u,v) \quad \hbox{in }\mathbb{R}^N,\cr (-\Delta)^s v +b(x)v=\frac{1}{2_s^*}H_v(u,v) \quad \hbox{in } \mathbb{R}^N,\cr u,v>0 \quad \text{in } \mathbb{R}^N,\cr u,v\in \mathcal{D}^{s,2 }(\mathbb{R}^N). }$$ We also prove a global compactness result for the associated energy functionalsimilar to that due to Struwe in [26]. The basic tools are some information from a limit systemwith \(a(x) = b(x) = 0\), a variant of the Lion's principle of concentration and compactness for fractional systems, and Brouwer degree theory.
Mixed local and nonlocal Schrodinger-Poisson type system involving variable exponents
Authors: Lin Xiaolu , Zheng Shenzhou
Published: July 2023

We consider the existence of solutions for a class of Schrodinger-Poisson type equations with mixed local and nonlocal p-Laplacian. More precisely, we obtain two distinct nontrivial solutions for the problem involving variable exponents growth by the variational methods. Moreover, the phenomena of concentration and multiplicity of solutions are also investigated as \(\lambda\to \infty\).
Existence of positive periodic solutions for a nonlinear system of second-order ordinary differential equations
Authors: Han Xiao , He Yujing , Wei Hui
Published: July 2023

This article concerns the positive periodic solutions for a system of second-order nonlinear ordinary differential equations, in which the nonlinear term is sublinear in one equation and superlinear in the other equation.By using the fixed point theorem of cone expansion and compression we obtain the existence of positive periodic solutions.
Existence of a solution and its numerical approximation for a strongly nonlinear coupled system in anisotropic Orlicz-Sobolev spaces
Authors: Ortegon Gallego Francisco , Ouyahya Hakima , Rhoudaf Mohamed
Published: July 2023

We study the existence of a capacity solution for a nonlinear elliptic coupled system in anisotropic Orlicz-Sobolev spaces. The unknowns are the temperature inside a semiconductor material, and the electric potential. This system may be considered as a generalization of the steady-state thermistor problem. The numerical solution is also analyzed by means of the least squares method in combination with a conjugate gradient technique.
Monotonicity properties of the eigenvalues of nonlocal fractional operators and their applications
Authors: Molica Bisci Giovanni , Servadei Raffaella , Zhang Binlin
Published: July 2023

In this article we study an equation driven by the nonlocal integrodifferential operator \(-\mathcal L_K\) in presence of an asymmetric nonlinear term f. Among the main results of the paper we prove the existence of at least a weak solution for this problem, under suitable assumptions on the asymptotic behavior of the nonlinearity f at \(\pm \infty\). Moreover, we show the uniqueness of this solution, under additional requirements on f. We also give a non-existence result for the problem under consideration. All these results were obtained using variational techniques and a monotonicity property of the eigenvalues of \(-\mathcal L_K\) with respect to suitable weights, that we prove along the present paper. This monotonicity property is of independent interest and represents the nonlocal counterpart of a famous result obtained by de Figueiredo and Gossez [14] in the setting of uniformly elliptic operators.
Stabilization of semilinear wave equations with time-dependent variable coefficients and memory
Authors: Li Sheng-Jie , Chai Shugen
Published: July 2023

In this article, we study the stabilization of semilinear wave equations with time-dependent variable coefficients and memory in the nonlinear boundary feedback. We obtain the energy decay rate of the solution by an equivalent energy approach in the framework of Riemannian geometry.