Positive Solutions for a Class of Fourth-Order Boundary Value Problems in Banach Spaces by Jingjing Cai, Guilong Liu

“…Using a specially constructed cone and the fixed point index theory, this work shows existence and nonexistence results of positive solutions for fourth-order boundary value problem with two different parameters in Banach spaces.…”
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Existence of Multiple Positive Periodic Solutions to Two Species Parasitical Model with Impulsive Effects and Harvesting Terms by Zhouhong Li

“…By applying Mawhin’s continuation theorem of coincidence degree theory and some skills of inequalities, we establish the existence of four positive solutions for two species parasitical system with impulsive effects and harvesting terms. …”
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Periodic Solutions of Second-Order Difference Problem with Potential Indefinite in Sign by Honghua Bin

“…We consider the compactness condition of variational functional and local linking at 0 by introducing new number . By using Morse theory, we obtain some new results concerning the existence of nontrivial periodic solution.…”
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The quantitative evaluation of information services by Dalia Virginija Petrikienė

“…The methods for analyzing reference information services according to this criterion, based on matrix theory, are presented, along with the results of analyses conducted in organizations and other institutions of the Lithuanian SSR. …”
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Solvability of Nonlocal Fractional Boundary Value Problems by Zhongmin Huang, Chengmin Hou

“…The proof relies on coincidence degree theory.…”
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Periodic Solutions for a System of Difference Equations by Shugui Kang, Bao Shi

“…The theorems are proved by using critical point theory.…”
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Geometry of Function Spaces by T. S. S. R. K. Rao, Henryk Hudzik, Miguel Martin

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Please: Don’t spruce up built heritage but preserve it as an authentic historic document! by Ursula Schädler-Saub

“…It was characterized by a paradigm change, with a remarkable increase of quality in theory and methodology, due to a better legal situation and to a broader concept of historical monument, including also modest examples of dwellings and farmhouses.…”
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Positive Solutions Using Bifurcation Techniques for Boundary Value Problems of Fractional Differential Equations by Yansheng Liu

“…The main tools used here are bifurcation techniques and topological degree theory. Finally, an example is worked out to demonstrate the main result.…”
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On Interpolative Prešić-Type Set-Valued Contractions by Monairah Alansari, Ghada Ali Basendwah, Muhammad Usman Ali

“…An application of the obtained results is also discussed with the help of graph theory.…”
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Existence of Periodic Solutions for a Class of Difference Systems with p-Laplacian by Kai Chen, Qiongfen Zhang

“…By applying the least action principle and minimax methods in critical point theory, we prove the existence of periodic solutions for a class of difference systems with p-Laplacian and obtain some existence theorems.…”
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Development of the Concept of Knowledge Management by V. G. Smirnova

“…The article considers the scientific contribution of the department “Theory of Management” to the development of the concept of knowledge management. …”
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Existence of Periodic Solutions for Shunting Inhibitory Cellular Neural Networks with Neutral Delays by Ninghua Chen

“…This paper considers the existence of periodic solutions for shunting inhibitory cellular neural networks (SICNNs) with neutral delays. By applying the theory of abstract continuation theorem of k-set contractive operator and some analysis technique, a new result on the existence of periodic solutions is obtained.…”
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Integral Means Inequalities, Convolution, and Univalent Functions by Daniel Girela, Cristóbal González

“…We use the Baernstein star-function to investigate several questions about the integral means of the convolution of two analytic functions in the unit disc. The theory of univalent functions plays a basic role in our work.…”
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Application of a methodology for retouching by Ana Bailão

“…The four steps are: chromatic and formal study, considering the use of Gestalt theory and the phenomena of contrast and assimilation; selection of the technique; choice of the materials and retouching practice.…”
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The Relationship between Some Regular Subsemigroups of HypG2 by Weerapong Wongpinit, Sorasak Leeratanavalee

“…The concept of regular subsemigroups plays an important role in the theory of semigroup. In this work, we study the relationship between some regular subsemigroups on the monoid of all generalized hypersubstitutions of type τ=(2).…”
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Nonlinear differential equations and algebraic systems by Lloyd K. Williams

“…The method is variation of parameters with asymptotic series and the theory of partial differential equations.…”
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Magnetoelastic plane waves in rotating media in thermoelasticity of type II (G-N model) by S. K. Roychoudhuri, Manidipa Banerjee (Chattopadhyay)

“…The thermoelasticity theory of type II (G-N model) (1993) is used to study the propagation of waves. …”
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Novel fractional integral inequalities for GA-Cr-convex functions and connections with information systems by Asfand Fahad, Zammad Ali, Shigeru Furuichi, Yuanheng Wang

“…Due to applicability of mathematical inequalities in control systems, actuarial science, information theory and its utilization in other sciences, several researchers are inclined to prove their refinements and generalizations. …”
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Citizens’ Adoption of an E-Health System During the Pandemic by Faye Lorraine P. Mina, Enrique B. Batara, Eucil P. Hussien, Rabby Q. Lavilles

“…This study aimed to determine the factors influencing the behavioral intention of PhilHealth members to adopt My PhilHealth Portal using an extended unified theory of acceptance and use of technology (UTAUT). …”
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