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Fundamenta Informaticae
EN Based on concepts for semigroup theory, fractional calculus, Banach contraction principle and Krasnoselskii fixed point theorem (FPT), this manuscript is principally involved with existence results of Riemann-Liouville (RL) fractional neutral integro-differential systems (FNIDS) with nonlocal condit[...]
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Fundamenta Informaticae
EN Based on concepts for semigroups, fractional calculus, resolvent operator and Banach contraction principle, this manuscript is principally involved with existence results for fractional neutral integro-differential systems with state-dependent delay in Banach spaces. To acquire the main results, our[...]
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Demonstratio Mathematica
EN In the paper the duality of the the notions of (higher) hypergraph and (higher) partition is shown. Both higher level hypergraphs and higher partitions are characterized algebr aically as left and right regular bands.
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Demonstratio Mathematica
EN In this paper we define the operation G on the set of all generalized hypersubstitutions and investigate some algebraic-structural properties of the set of all generalized hypersubstitutions and of some submonoids M of the set of all generalized hypersubstitutions, respectively.
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Demonstratio Mathematica
2014 Vol. 47, nr 4 854--865
EN In the present paper, we investigate the qualitative properties such as existence, uniqueness and continuous dependence on initial data of mild solutions of first and second order nonlocal semilinear functional differential equations with delay in Banach spaces. Our analysis is based on semigroup th[...]
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Journal of Mathematics and Applications
2016 Vol. 39 23--45
EN Our aim in this work is to study the existence of solutions of first and second order for neutral functional differential equations with state-dependent delay. We use the Mönch’s fixed point theorem for the existence of solutions and the concept of measures of noncompactness.
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Biuletyn Wojskowej Akademii Technicznej
PL W pracy udowodniono twierdzenie o istnieniu i jednoznaczności rozwiązania zagadnienia brzegowo-początkowego dla nieliniowego układu równań mikropolarnej termosprężystości. W pierwszym etapie udowodniono twierdzenie o istnieniu, jednoznaczności i regularności rozwiązania zagadnienia brzegowo-początko[...]
EN We prove a theorem about local existence (in time) of the solution to the first initial-boundary value problem for a nonlinear system of equation of the thermomicroelasticity theory. At first, we prove existence, uniqueness and regularity of the solution to this problem for the associated linearized[...]
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Biuletyn Wojskowej Akademii Technicznej
PL W pracy udowodniono twierdzenie o istnieniu, jednoznaczności i regulaności rozwiązania zgadnienia brzegowo-początkowego dla zlinearyzowanego układu równań mikropolarnej teorii sprężystości. Zastosowano metody teorii półgrup nieliniowych oraz metody przestrzeni Sobolewa.
EN The aim of the paper is to prove the thorem about existence, uniqueness and regularity of the solution to the initial-boundary value problem for linearized system of equations of the microelasticity theory asociated to the non-linear one. Such a system of equations describes the microelastic medium [...]
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