A Hille-Wintner type comparison theorem for second order difference equations by John W. Hooker

Subjects: “…oscillatory and non-oscillatory solutions comparison theorems…”
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Methodological fundamentals of scientific research of digitalization of state authority: theoretical and legal aspects by E. Najafli

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A Theoretical Calculation Method of the Unsupported Span for the Shallow Tunnel in the Soft Stratum by Xiaoxu Tian, Zhanping Song, Guannan Zhou, Xiaowei Zhang

“…The research results provide a theoretical reference for the determination of the unsupported span for the shallow tunnel in the soft stratum.…”
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Group flow: A scoping review of definitions, theoretical approaches, measures and findings. by Fabian Pels, Jens Kleinert, Florian Mennigen

“…Further heterogeneity existed in the theoretical approaches and measures used, highlighting the need for a comprehensive theory and a measurement standard. …”
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Strong Convergence Theorems for Quasi-Bregman Nonexpansive Mappings in Reflexive Banach Spaces by Mohammed Ali Alghamdi, Naseer Shahzad, Habtu Zegeye

“…Our theorems improve and unify most of the results that have been proved for this important class of nonlinear mappings.…”
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Theoretical foundations for traditional and generalized sensitivity functions for nonlinear delay differential equations by H.Thomas Banks, Danielle Robbins, Karyn L. Sutton

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A note on an application of discrete Morse theoretic techniques on the complex of disconnected graphs by Anupam Mondal, Pritam Chandra Pramanik

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On the Development of Two-Dimensional Wakes within Curved Channels: Experimental and Theoretical Investigation by M. T. Schobeiri, K. Pappu, J. John

“…To demonstrate the general validity of theory, experimental results pertaining to curved wake as well as straight wake flows are compared with the developed theory.…”
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The Embedding Theorem of an L0-Prebarreled Module into Its Random Biconjugate Space by Xia Zhang, Ming Liu

“…Then, we establish the embedding theorem of an L0-prebarreled random locally convex module, which says that if (S,P) is an L0-prebarreled random locally convex module such that S has the countable concatenation property, then the canonical embedding mapping J of S onto J(S)⊂(Ss⁎)s⁎ is an L0-linear homeomorphism, where (Ss⁎)s⁎ is the strong random biconjugate space of S under the locally L0-convex topology.…”
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Ordered-Theoretic Fixed Point Results in Fuzzy b-Metric Spaces with an Application by Khalil Javed, Fahim Uddin, Hassen Aydi, Aiman Mukheimer, Muhammad Arshad

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On Best Proximity Point Theorems in Locally Convex Spaces Endowed with a Graph by B. Saadaoui, S. Lazaiz, M. Aamri

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Fractional Theoretical Model for Gravity Waves and Squall Line in Complex Atmospheric Motion by Liguo Chen, Liangui Yang

“…The nonlinear concentration of gravity solitary wave leads to energy accumulation, which further forms the disastrous weather phenomenon such as squall line. This paper theoretically proves that the formation of squall line in baroclinic nonstatic equilibrium atmosphere can be reduced to the fission process of algebraic gravity solitary waves described by the (2 + 1)-dimensional generalized Boussinesq-BO (B-BO) equation. …”
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Common fixed point theorems in 2 non-Archimedean Menger PM-space by Renu Chugh, Sumitra

“…We introduce the concept of a 2 non-Archimedean Menger PM-space and prove a common fixed point theorem for weak compatible mappings of type (A).…”
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Fixed Point Theorems on Ordered Metric Spaces through a Rational Contraction by Poom Kumam, Fayyaz Rouzkard, Mohammad Imdad, Dhananjay Gopal

“…As an application, we derive an existence theorem for the solution of an integral equation.…”
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Information Theoretical Analysis of Quantum Mixedness in a Finite Model of Interacting Fermions by Diana Monteoliva, Angelo Plastino, Angel Ricardo Plastino

“…In this study, we utilize information theory tools to investigate notable features of the quantum degree of mixedness (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>C</mi><mi>f</mi></msub></semantics></math></inline-formula>) in a finite model of <i>N</i> interacting fermions. …”
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Fixed Point Theorems for Set-Valued L-Contractions in Branciari Distance Spaces by Seong-Hoon Cho

“…In this paper, the notion of set-valued L-contractions is introduced, and a new fixed point theorem for such contractions is established. An example to illustrate main theorem is given.…”
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Dissecting climate adaptation strategies and planning of ports from different theoretical angles by Adolf K.Y. NG, Mark C.P. POO, Tianni WANG, Austin BECKER, Yui-yip LAU, Tina Ziting XU, Zaili YANG

“…While there is increasing research on climate adaptation strategies and planning of ports, there is a lack of works that explain how scholars address the topic from different theoretical angles. This paper fills this gap by dissecting climate adaptation strategies and planning of ports from four main perspectives, including institutional systems, path dependence, supply chain risk management, and stakeholder management. …”
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A Strong Convergence Theorem for Total Asymptotically Pseudocontractive Mappings in Hilbert Spaces by Chuan Ding, Jing Quan

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Experimental and Theoretical Investigations of Hard Rocks at High Temperature: Applications in Civil Engineering by Mambou Ngueyep Luc Leroy, Foguieng Wembe Marius, Ngapgue François

“…This review paper aims to survey and discuss recent theoretical and experimental works reporting the temperature effects on the mechanical properties of rocks like granite, gabbro, gneiss, marble, sandstone, basalt, limestone, and argillite to permit the new challenge in this domain. …”
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An Optimality-Theoretic Analysis of the Acquisition of English Sentence Stress Based on Acoustic Data by Wen Ji, Yun Liu

“…The present study adopts both empirical and theoretical methods for the analysis of the acquisition of English sentence stress based on Optimality Theory, aiming to overcome mispronunciation of English sentence stress. …”
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