Search Results - "Open mathematics (Warsaw, Poland)"
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Impulsive Caputo-Fabrizio fractional differential equations in b-metric spaces
Published in Open mathematics (Warsaw, Poland) (21-05-2021)“…We deal with some impulsive Caputo-Fabrizio fractional differential equations in -metric spaces. We make use of -Geraghty-type contraction. An illustrative…”
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On multi-step methods for singular fractional q-integro-differential equations
Published in Open mathematics (Warsaw, Poland) (31-12-2021)“…The objective of this paper is to investigate, by applying the standard Caputo fractional -derivative of order , the existence of solutions for the singular…”
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New properties of conformable derivative
Published in Open mathematics (Warsaw, Poland) (03-12-2015)“…Recently, the conformable derivative and its properties have been introduced. In this work we have investigated in more detail some new properties of this…”
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The general position problem and strong resolving graphs
Published in Open mathematics (Warsaw, Poland) (13-10-2019)“…The general position number gp( ) of a connected graph is the cardinality of a largest set of vertices such that no three pairwise distinct vertices from lie…”
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Enochs conjecture for cotorsion pairs over recollements of exact categories
Published in Open mathematics (Warsaw, Poland) (11-11-2024)“…Let be a recollement of exact categories. An explicit procedure about gluing complete hereditary cotorsion pairs from and to has been established by Hu et al…”
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Euler-α equations in a three-dimensional bounded domain with Dirichlet boundary conditions
Published in Open mathematics (Warsaw, Poland) (06-11-2024)“…In this article, we investigate the Euler- equations in a three-dimensional bounded domain. On the one hand, we prove in the Euler setting that the equations…”
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Generalized quadratic Gauss sums and their 2 m th power mean
Published in Open mathematics (Warsaw, Poland) (02-11-2024)“…Abstract The main purpose of this article is to study the problem of calculating the 2 m th power mean of the generalized quadratic Gauss sums, and using the…”
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Riemannian invariants for warped product submanifolds in Q ε m × R {{\mathbb{Q}}}_{\varepsilon }^{m}\times {\mathbb{R}} and their applications
Published in Open mathematics (Warsaw, Poland) (30-10-2024)“…This article investigates the geometric and topologic of warped product submanifolds in Riemannian warped product . In this respect, we obtain the first Chen…”
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High-order finite-difference ghost-point methods for elliptic problems in domains with curved boundaries
Published in Open mathematics (Warsaw, Poland) (28-10-2024)“…In this article, a fourth-order finite-difference ghost-point method for the Poisson equation on regular Cartesian mesh is presented. The method can be…”
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Brouwer's conjecture for the sum of the k largest Laplacian eigenvalues of some graphs
Published in Open mathematics (Warsaw, Poland) (22-10-2024)“…Let be a graph with vertices and edges, and be the sum of the largest Laplacian eigenvalues of . Brouwer conjectured that for . In this article, we obtain…”
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A comprehensive review of the recent numerical methods for solving FPDEs
Published in Open mathematics (Warsaw, Poland) (07-08-2024)“…Fractional partial differential equations (FPDEs) have gained significant attention in various scientific and engineering fields due to their ability to…”
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12
The curvature entropy inequalities of convex bodies
Published in Open mathematics (Warsaw, Poland) (18-10-2024)“…There are many entropy inequalities in geometry, some of them can be seen as the Minkowski inequalities in the form of entropy, which play important roles in…”
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Vector optimization problems with weakened convex and weakened affine constraints in linear topological spaces
Published in Open mathematics (Warsaw, Poland) (17-10-2024)“…In this article, we work on vector optimization problems in linear topological spaces. Our vector optimization problems have weakened convex inequality…”
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14
Pullback and uniform exponential attractors for non-autonomous Oregonator systems
Published in Open mathematics (Warsaw, Poland) (15-10-2024)“…We consider the long-time global dynamics of non-autonomous Oregonator systems. This system is a coupled system of three reaction-diffusion equations, that…”
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Commutators of multilinear fractional maximal operators with Lipschitz functions on Morrey spaces
Published in Open mathematics (Warsaw, Poland) (15-10-2024)“…In this work, we present necessary and sufficient conditions for the boundedness of the commutators generated by multilinear fractional maximal operators on…”
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16
Matrix stretching
Published in Open mathematics (Warsaw, Poland) (03-08-2024)“…We consider the tensor products of square matrices of different sizes and introduce the stretching maps, which can be viewed as a generalized matricization…”
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Extension of Fejér's inequality to the class of sub-biharmonic functions
Published in Open mathematics (Warsaw, Poland) (14-10-2024)“…Fejér’s integral inequality is a weighted version of the Hermite-Hadamard inequality that holds for the class of convex functions. To derive his inequality,…”
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Erratum to “Infinitesimals via Cauchy sequences: Refining the classical equivalence”
Published in Open mathematics (Warsaw, Poland) (10-10-2024)Get full text
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Corrigendum to “A comprehensive review of the recent numerical methods for solving FPDEs”
Published in Open mathematics (Warsaw, Poland) (10-10-2024)Get full text
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One special kind of Kloosterman sum and its fourth-power mean
Published in Open mathematics (Warsaw, Poland) (09-10-2024)“…This article aims to investigate the calculation problem of the fourth-power mean of the specific Kloosterman sums by utilizing analytic methods and the…”
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