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Bifurcation into spectral gaps for strongly indefinite Choquard equations

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

In this paper, we consider the semilinear elliptic equations(-delta u +V(x)u= (I-alpha * |u|(p))|u|(p-2)u + lambda u for x is an element of R-N,u(x) -......

On the optimal Lq-regularity for viscous Hamilton-Jacobi equations with subquadratic growth in the gradient

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

This paper studies a maximal L-q-regularity property for nonlinear elliptic equations of second order with a zeroth order term and gradient nonlineari......

Brezis-Seeger-Van Schaftingen-Yung-type characterization of homogeneous ball Banach Sobolev spaces and its applications

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

Let gamma is an element of R / {0} and X( R-n) be a ball Banach function space satisfying some extra mild assumptions. Assume that Omega = R(n)or Omeg......

Smoothness of the diffusion coefficients for particle systems in continuous space

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; 25 (3)

For a class of particle systems in continuous space with local interactions, we show that the asymptotic diffusion matrix is an infinitely differentia......

Pinwheels as Lagrangian barriers

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

The complex projective plane CP2 contains certain Lagrangian CW-complexes called pinwheels, which have interesting rigidity properties related to solu......

Chebyshev polynomials and inequalities for Kleinian groups

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; 25 (2)

The principal character of a representation of the free group of rank two into PSL(2, C) is a triple of complex numbers that determines an irreducible......

Infinitely many solutions for Schrodinger-Newton equations

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; 25 (5)

We prove the existence of infinitely many non-radial positive solutions for the Schro spexpressioncing diexpressioneresis dinger-Newton system { delta......

Real order total variation with applications to the loss functions in learning schemes

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

Loss functions are an essential part in modern data-driven approaches, such as bi-level training scheme and machine learnings. In this paper, we propo......

Local Holder regularity of minimizers for nonlocal variational problems

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; 25 (10)

We study the regularity of solutions to a nonlocal variational problem, which is related to the image denoising model, and we show that, in two dimens......

T5 configurations and hyperbolic systems

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

In this paper, we study the rank-one convex hull of a differential inclusion associated to entropy solutions of a hyperbolic system of conservation la......

Continuous time approximation of Nash equilibria in monotone games

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

We consider the problem of approximating Nash equilibria of N functions f(1), ... , f(N) of N variables. In particular, we show systems of the formu(j......

Analytical solutions to the pressureless Navier-Stokes equations with density-dependent viscosity coefficients

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

In this paper, we construct a class of spherically symmetric and self-similar analytical solutions to the pressureless Navier-Stokes equations with de......

The d-critical structure on the Quot scheme of points of a Calabi-Yau 3-fold

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; ()

The Artin stack M n of zero-dimensional sheaves of length n on A(3) carries two natural d-critical structures in the sense of Joyce. One comes from it......

Rapid exponential stabilization of a Boussinesq system of KdV-KdV Type

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; 25 (3)

This paper studies the exponential stabilization of a Boussinesq system describing the two-way propagation of small amplitude gravity waves on the sur......

24 rational curves on K3 surfaces

期刊: COMMUNICATIONS IN CONTEMPORARY MATHEMATICS, 2023; 25 (6)

Given d is an element of N, we prove that all smooth K3 surfaces (over any field of characteristic p not equal 2,3) of degree greater than 84d(2) cont......

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