Subjects -> MATHEMATICS (Total: 1013 journals)
    - APPLIED MATHEMATICS (92 journals)
    - GEOMETRY AND TOPOLOGY (23 journals)
    - MATHEMATICS (714 journals)
    - MATHEMATICS (GENERAL) (45 journals)
    - NUMERICAL ANALYSIS (26 journals)
    - PROBABILITIES AND MATH STATISTICS (113 journals)

MATHEMATICS (714 journals)            First | 1 2 3 4     

Showing 601 - 538 of 538 Journals sorted alphabetically
Research in the Mathematical Sciences     Open Access  
Research Journal of Pure Algebra     Open Access   (Followers: 1)
Researches in Mathematics     Open Access  
Results in Control and Optimization     Open Access  
Results in Mathematics     Hybrid Journal  
Results in Nonlinear Analysis     Open Access  
Review of Symbolic Logic     Full-text available via subscription   (Followers: 2)
Reviews in Mathematical Physics     Hybrid Journal   (Followers: 1)
Revista Baiana de Educação Matemática     Open Access  
Revista Bases de la Ciencia     Open Access  
Revista BoEM - Boletim online de Educação Matemática     Open Access  
Revista Colombiana de Matemáticas     Open Access   (Followers: 1)
Revista de Ciencias     Open Access  
Revista de Educación Matemática     Open Access  
Revista de la Escuela de Perfeccionamiento en Investigación Operativa     Open Access  
Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales. Serie A. Matematicas     Partially Free  
Revista de Matemática : Teoría y Aplicaciones     Open Access   (Followers: 1)
Revista Digital: Matemática, Educación e Internet     Open Access  
Revista Electrónica de Conocimientos, Saberes y Prácticas     Open Access  
Revista Integración : Temas de Matemáticas     Open Access  
Revista Internacional de Sistemas     Open Access  
Revista Latinoamericana de Etnomatemática     Open Access  
Revista Latinoamericana de Investigación en Matemática Educativa     Open Access  
Revista Matemática Complutense     Hybrid Journal  
Revista REAMEC : Rede Amazônica de Educação em Ciências e Matemática     Open Access  
Revista SIGMA     Open Access  
Ricerche di Matematica     Hybrid Journal  
RMS : Research in Mathematics & Statistics     Open Access  
Royal Society Open Science     Open Access   (Followers: 7)
Russian Journal of Mathematical Physics     Full-text available via subscription  
Russian Mathematics     Hybrid Journal  
Sahand Communications in Mathematical Analysis     Open Access  
Sampling Theory, Signal Processing, and Data Analysis     Hybrid Journal  
São Paulo Journal of Mathematical Sciences     Hybrid Journal  
Science China Mathematics     Hybrid Journal   (Followers: 1)
Science Progress     Full-text available via subscription   (Followers: 1)
Sciences & Technologie A : sciences exactes     Open Access  
Selecta Mathematica     Hybrid Journal   (Followers: 1)
SeMA Journal     Hybrid Journal  
Semigroup Forum     Hybrid Journal   (Followers: 1)
Set-Valued and Variational Analysis     Hybrid Journal  
SIAM Journal on Applied Mathematics     Hybrid Journal   (Followers: 11)
SIAM Journal on Computing     Hybrid Journal   (Followers: 11)
SIAM Journal on Control and Optimization     Hybrid Journal   (Followers: 18)
SIAM Journal on Discrete Mathematics     Hybrid Journal   (Followers: 8)
SIAM Journal on Financial Mathematics     Hybrid Journal   (Followers: 3)
SIAM Journal on Mathematics of Data Science     Hybrid Journal   (Followers: 1)
SIAM Journal on Matrix Analysis and Applications     Hybrid Journal   (Followers: 3)
SIAM Journal on Optimization     Hybrid Journal   (Followers: 12)
Siberian Advances in Mathematics     Hybrid Journal  
Siberian Mathematical Journal     Hybrid Journal  
Sigmae     Open Access  
SILICON     Hybrid Journal  
SN Partial Differential Equations and Applications     Hybrid Journal  
Soft Computing     Hybrid Journal   (Followers: 7)
Statistics and Computing     Hybrid Journal   (Followers: 14)
Stochastic Analysis and Applications     Hybrid Journal   (Followers: 3)
Stochastic Partial Differential Equations : Analysis and Computations     Hybrid Journal   (Followers: 2)
Stochastic Processes and their Applications     Hybrid Journal   (Followers: 6)
Stochastics and Dynamics     Hybrid Journal   (Followers: 2)
Studia Scientiarum Mathematicarum Hungarica     Full-text available via subscription   (Followers: 1)
Studia Universitatis Babeș-Bolyai Informatica     Open Access  
Studies In Applied Mathematics     Hybrid Journal   (Followers: 1)
Studies in Mathematical Sciences     Open Access   (Followers: 1)
Superficies y vacio     Open Access  
Suska Journal of Mathematics Education     Open Access   (Followers: 1)
Swiss Journal of Geosciences     Hybrid Journal   (Followers: 1)
Synthesis Lectures on Algorithms and Software in Engineering     Full-text available via subscription   (Followers: 2)
Synthesis Lectures on Mathematics and Statistics     Full-text available via subscription   (Followers: 1)
Tamkang Journal of Mathematics     Open Access  
Tatra Mountains Mathematical Publications     Open Access  
Teaching Mathematics     Full-text available via subscription   (Followers: 10)
Teaching Mathematics and its Applications: An International Journal of the IMA     Hybrid Journal   (Followers: 4)
Teaching Statistics     Hybrid Journal   (Followers: 8)
Technometrics     Full-text available via subscription   (Followers: 8)
The Journal of Supercomputing     Hybrid Journal   (Followers: 1)
The Mathematica journal     Open Access  
The Mathematical Gazette     Full-text available via subscription   (Followers: 1)
The Mathematical Intelligencer     Hybrid Journal  
The Ramanujan Journal     Hybrid Journal  
The VLDB Journal     Hybrid Journal   (Followers: 2)
Theoretical and Mathematical Physics     Hybrid Journal   (Followers: 7)
Theory and Applications of Graphs     Open Access  
Topological Methods in Nonlinear Analysis     Full-text available via subscription  
Transactions of the London Mathematical Society     Open Access   (Followers: 1)
Transformation Groups     Hybrid Journal  
Turkish Journal of Mathematics     Open Access  
Ukrainian Mathematical Journal     Hybrid Journal  
Uniciencia     Open Access  
Uniform Distribution Theory     Open Access  
Unisda Journal of Mathematics and Computer Science     Open Access  
Unnes Journal of Mathematics     Open Access   (Followers: 1)
Unnes Journal of Mathematics Education     Open Access   (Followers: 2)
Unnes Journal of Mathematics Education Research     Open Access   (Followers: 1)
Ural Mathematical Journal     Open Access  
Vestnik Samarskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki     Open Access  
Vestnik St. Petersburg University: Mathematics     Hybrid Journal  
VFAST Transactions on Mathematics     Open Access   (Followers: 1)
Vietnam Journal of Mathematics     Hybrid Journal  
Vinculum     Full-text available via subscription  
Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics     Open Access   (Followers: 2)
Water SA     Open Access   (Followers: 1)
Water Waves     Hybrid Journal  
Zamm-Zeitschrift Fuer Angewandte Mathematik Und Mechanik     Hybrid Journal   (Followers: 1)
ZDM     Hybrid Journal   (Followers: 2)
Zeitschrift für angewandte Mathematik und Physik     Hybrid Journal   (Followers: 2)
Zeitschrift fur Energiewirtschaft     Hybrid Journal  
Zetetike     Open Access  

  First | 1 2 3 4     

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Ukrainian Mathematical Journal
Journal Prestige (SJR): 0.325
Number of Followers: 0  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1573-9376 - ISSN (Online) 0041-5995
Published by Springer-Verlag Homepage  [2469 journals]
  • Singularly Perturbed Multidimensional Parabolic Equation with Rapidly
           Oscillating Free Term

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      Abstract: The regularized asymptotics of the solution of the first boundary-value problem for a two-dimensional differential equation of parabolic type is constructed in the case where the phase derivative vanishes at a single point. It is shown that angular and multidimensional boundary-layer functions appear in problems of this kind parallel with other types of boundary layers.
      PubDate: 2022-08-11
       
  • Category of Some Subalgebras of the Toeplitz Algebra

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      Abstract: We perform the structural analysis of C*-subalgebras of the Toeplitz algebra that are generated by inverse subsemigroups of a bicyclic semigroup. We construct a category of the sets of natural numbers of length k < m and associate each set with a certain C*-algebra. As a result, we obtain a category of C*-algebras. The existence of a functor between these categories is proved. In particular, we establish the conditions under which the category of C*-algebras turns into a bundle of C*-algebras.
      PubDate: 2022-08-11
       
  • Equivalence of Matrices in the Ring M(n, R) and its Subrings

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      Abstract: We consider the problem of equivalence of matrices in the ring M(n, R) and its subrings of block triangular matrices MBT (n1, . . . , nk, R) and block diagonal matrices MBD (n1, . . . , nk, R), where R is a commutative domain of principal ideals, and investigate the relationships between these equivalences. Under the condition that the block triangular matrices are block diagonalizable, i.e., equivalent to their main block diagonals, we show that these matrices are equivalent in the subring MBT (n1, . . . , nk, R) of block triangular matrices if and only if their main diagonals are equivalent in the subring MBD (n1, . . . , nk, R) of block diagonal matrices, i.e., the corresponding diagonal blocks of these matrices are equivalent. We also prove that if block triangular matrices A and B with Smith normal forms S(A) = S(B) are equivalent to the Smith normal forms in the subring MBT (n1, . . . , nk, R), then these matrices are equivalent in the subring MBT (n1, . . . , nk, R).
      PubDate: 2022-08-11
       
  • Periodic Coulomb Dynamics of Three Identical Negative Charges in the Field
           of Four Fixed Identical Positive Charges

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      Abstract: We find periodic solutions of the d-dimensional (d = 1, 2, 3) Coulomb equations of motion for three identical negative point charges in the field of four identical positive point charges fixed at the vertices of a rectangle. Systems of this kind possess equilibrium configurations. Periodic solutions are obtained with the help of the Lyapunov central theorem.
      PubDate: 2022-08-11
       
  • Application of the Green–Samoilenko Function and Operator to the
           Investigation of Non-Lipschitz Differential Equations

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      Abstract: For systems of non-Lipschitz differential equations, we establish conditions for the existence of invariant sets. To obtain this result, we apply the Green–Samoilenko function and the corresponding operator.
      PubDate: 2022-08-11
       
  • Embedding Theorems and Maximal Subsemigroups of Some Linear Transformation
           Semigroups with Restricted Range

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      Abstract: Let V be a vector space over a field and let T(V) denote the semigroup of all linear transformations from V into V. For a fixed subspace W of V, let F(V,W) be the subsemigroup of T(V ) formed by all linear transformations α from V into W such that V α ⊆ W α. We prove that any regular semigroup S can be embedded in F(V,W) with dim(V) = S1 and dim(W) = S , and determine all maximal subsemigroups of F(V,W) in the case where W is a finite-dimensional subspace of V over a finite field.
      PubDate: 2022-08-11
       
  • Recurrences and Congruences for Higher-Order Geometric Polynomials and
           Related Numbers

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      Abstract: We obtain new recurrence relations, an explicit formula, and convolution identities for higher-order geometric polynomials. These relations generalize known results for geometric polynomials and lead to congruences for higher-order geometric polynomials and, in particular, for p-Bernoulli numbers.
      PubDate: 2022-08-11
       
  • Nonlinear Elliptic Equations with Measure Data in Orlicz Spaces

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      Abstract: We study the existence result for a unilateral problem $$ Au-\operatorname{div}\left(\Phi \left(x,u\right)\right)+H\left(x,u,\nabla u\right)=\mu, $$ where Au =  − div(a(x, u, ∇u)) is a Leray–Lions operator defined in the Sobolev–Orlicz space \( D(A)\subset {W}_0^1{L}_M\left(\Omega \right)+{W}^{-1}{E}_{\overline{M}}\left(\Omega \right) \) , where M and \( \overline{M} \) are two complementary N-functions. The first and second lower terms Φ and H satisfy solely the growth condition and an arbitrary sign condition and, moreover, u ≥ ζ, where ζ is a measurable function.
      PubDate: 2022-08-11
       
  • Topological and Geometric Properties of the Set of 1-Nonconvexity Points
           of a Weakly 1-Convex Set in the Plane

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      Abstract: We consider a class of generalized convex sets in the real plane known as weakly 1-convex sets. For a set in the real Euclidean space ℝn, n ≥ 2, we say that a point of the complement of this set to the entire space ℝn is an m-nonconvexity point of the set, \( m=\overline{1,n-1} \) , if any m-dimensional plane passing through this point crosses the indicated set. An open set in the space ℝn, n ≥ 2, is called weakly m-convex, \( m=\overline{1,n-1} \) , if its boundary does not contain any m-nonconvexity points of the set. Moreover, in the class of open weakly 1-convex sets in the plane, we select a subclass of sets with finitely many connected components and a nonempty set of 1-nonconvexity points. We mainly analyze the properties of the set of 1-nonconvexity points for the sets from the indicated subclass. In particular, for any set in this subclass, it is proved that the set of its 1-nonconvexity points is open, that any connected component of the set of its 1-nonconvexity points is the interior of a convex polygon, and that, for any convex polygon, there exists a set from the indicated subclass such that its set of 1-nonconvexity points coincides with the interior of a polygon.
      PubDate: 2022-08-11
       
  • Some Relationships between the Generalized Central Series of Leibniz
           Algebras

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      Abstract: We prove the existence of a close relationship between the generalized central series of Leibniz algebras. We also prove some analogs of the classical Schur and Baer group-theoretic theorems for Leibniz algebras.
      PubDate: 2022-08-11
       
  • Characterization of Some Finite Simple Groups by the Set of Orders of
           Vanishing Elements and Order

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      Abstract: Let G be a finite group. We say that an element g of G is a vanishing element if there exists an irreducible complex character 𝜒 of G such that (g) = 0. Ghasemabadi, Iranmanesh, and Mavadatpour (2015) made the following conjecture: Let G be a finite group and let M be a finite non-Abelian simple group such that Vo(G) = Vo(M) and G = M . Then G ≅ M. We give an affirmative answer to this conjecture for M = 2Dr+1(2), where r = 2n − 1 ≥ 3 and either 2r + 1 or 2r+1 + 1 is a prime number, and M = 2Dr(3), where r = 2n + 1 ≥ 5 and either (3r−1 + 1)/2 or (3r + 1)/4 is prime.
      PubDate: 2022-08-08
       
  • Generalized Picone Identity for the Finsler p-Laplacian and its
           Applications

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      Abstract: We prove a generalized Picone-type identity for the Finsler p-Laplacian and use it to establish qualitative results for some boundary-value problems involving the Finsler p-Laplacian.
      PubDate: 2022-08-08
       
  • Monogenic Functions with Values in Generalized Clifford Algebras

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      Abstract: Generalized Clifford algebras are constructed by various methods and have some applications in mathematics and physics. We introduce a new type of generalized Clifford algebra such that all components of a monogenic function are solutions of an elliptic partial differential equation. One of our aims is to cover more partial differential equations within the framework of Clifford analysis. We prove some Cauchy integral representation formulas for monogenic functions in these cases.
      PubDate: 2022-08-06
       
  • Radii of Starlikeness and Convexity of the Derivatives of Bessel Function

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      Abstract: We find the radii of starlikeness and convexity of the derivatives of Bessel function for three different kinds of normalization. The key tools in the proof of our main results are the Mittag-Leffler expansion for the nth derivative of the Bessel function and the properties of its real zeros. In addition, by using the Euler–Rayleigh inequalities we obtain some tight lower and upper bounds for the radii of starlikeness and convexity of order zero for the normalized nth derivative of the Bessel function. As the main results of our investigations, we can mention natural extensions of some known results for the classical Bessel functions of the first kind.
      PubDate: 2022-08-06
       
  • Nonlocal Problem with Impulsive Action for Parabolic Equations of the
           Vector Order

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      Abstract: For \( \left\{\overset{\sim }{p};\overrightarrow{h}\right\} \) -parabolic equations with continuous coefficients, we study the problem of finding classical solutions satisfying modified initial conditions with generalized data in the form of Gelfand- and Shilovtype distributions. This condition linearly combines the values of the solution at the initial time and at a certain intermediate time point. We establish the conditions for the correct solvability of this problem and deduce the formula for its solution. By using the obtained results, we solve the corresponding problem with impulsive action.
      PubDate: 2022-08-06
       
  • Bounded Solutions of Difference Equations in a Banach Space with Input
           Data from Subspaces

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      Abstract: We study the problem of existence and uniqueness of a bounded solution to a difference equation of the first order with constant operator coefficient in a Banach space. We establish necessary and sufficient conditions for the case where the initial condition and the input sequence belong to certain subspaces. These results are applied to the case of difference equations with a jump of the operator coefficient and difference equations of higher orders.
      PubDate: 2022-08-06
       
  • Invertibility Conditions for Nonlinear Autonomous Differential Operators
           in the Space of Functions Bounded on the Axis

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      Abstract: We establish necessary and sufficient conditions for autonomous nonlinear differential operators defined in the space of functions bounded and continuous on the axis to be C1-diffeomorphisms.
      PubDate: 2022-08-06
       
  • Initial Estimates of Seven Coefficients for a Subclass of Bi-Starlike
           Functions

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      Abstract: We study a subclass of bi-starlike functions and obtain, for the first time, the initial seven Taylor– Maclaurin coefficient estimates a2 , a3 , . . . , a7 for functions from a subclass of the function class Σ. Some new or known consequences of the accumulated results are also pointed out.
      PubDate: 2022-08-06
       
  • System of Polynomials of Complex Variable Related to the Classical Systems
           of Orthogonal Polynomials

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      Abstract: We study the properties of the systems of polynomials of complex variable represented in the form of contour integrals with kernel functions analytic at infinity. We formulate the conditions for the existence of functions associated with these polynomials and sufficient conditions for the expansion of analytic functions in series in these polynomials. The accumulated results can be used to find the expansions of functions in series in the classical orthogonal polynomials in complex domains, the integral representations for some of these polynomials, the dependences of monomials zn of these polynomials, and other relations.
      PubDate: 2022-08-06
       
  • On the Modified Korteweg–De-Vries Equation with Loaded Term

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      Abstract: We apply the method of inverse spectral problem to find the solution to the Cauchy problem for a modified Korteweg–de-Vries equation (mKdV) in the class of periodic infinite-gap functions. A simple procedure is proposed for the derivation of the Dubrovin system of differential equations. We prove the solvability of the Cauchy problem for an infinite system of Dubrovin differential equations in the class of five times continuously differentiable periodic infinite-gap functions. It is shown that the sum of a uniformly convergent function series constructed from the solutions of the infinite system of Dubrovin equations and the formulas for the first trace satisfy the mKdV equation. Moreover, it is proved that: (i) if the initial function is a real π-periodic analytic function, then the solution of the Cauchy problem for the mKdV equation with loaded term is also a real analytic function with respect to the variable x; (ii) if the number \( \frac{\pi }{2} \) is a period (antiperiod) of the original function, then \( \frac{\pi }{2} \) is also a period (antiperiod) in the variable x of the solution to the Cauchy problem for the mKdV equation with loaded term.
      PubDate: 2022-08-06
       
 
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