[HTML][HTML] Regularity for nonlocal problems with non-standard growth

J Chaker, M Kim, M Weidner - Calculus of Variations and Partial …, 2022 - Springer
We study robust regularity estimates for local minimizers of nonlocal functionals with non-
standard growth of (p, q)-type and for weak solutions to a related class of nonlocal …

Local Hölder continuity for fractional nonlocal equations with general growth

SS Byun, H Kim, J Ok - Mathematische Annalen, 2023 - Springer
Local Hölder continuity for fractional nonlocal equations with general growth | Mathematische
Annalen Skip to main content SpringerLink Account Menu Find a journal Publish with us Track …

[HTML][HTML] Harnack inequality for nonlocal problems with non-standard growth

J Chaker, M Kim, M Weidner - Mathematische Annalen, 2023 - Springer
We prove a full Harnack inequality for local minimizers, as well as weak solutions to
nonlocal problems with non-standard growth. The main auxiliary results are local …

[HTML][HTML] Bourgain-Brezis-Mironescu formula for -spaces in arbitrary domains

K Mohanta - Calculus of Variations and Partial Differential …, 2024 - Springer
Under certain restrictions on s, p, q, the Triebel-Lizorkin spaces can be viewed as
generalised fractional Sobolev spaces W qs, p. In this article, we show that the Bourgain …

On generalized fractional operators and related function spaces with applications

K Cichoń, M Cichoń - Physica D: Nonlinear Phenomena, 2024 - Elsevier
The application of fractional calculus-based mathematical models in physics is a well-
established practice. However, a challenge arises due to the variety of fractional operators …

On the fractional Musielak-Sobolev spaces in Rd: Embedding results & applications

A Bahrouni, H Missaoui, H Ounaies - Journal of Mathematical Analysis and …, 2024 - Elsevier
This paper deals with new continuous and compact embedding theorems for the fractional
Musielak-Sobolev spaces in R d. As an application, using the variational methods, we obtain …

Brezis–Van Schaftingen–Yung formula in Orlicz spaces

N Ioku, K Shibuya - Journal of Mathematical Analysis and Applications, 2024 - Elsevier
Abstract In [13], Brezis–Van Schaftingen–Yung discovered new expression of the Sobolev
semi-norm by replacing the L p (R 2 N) norm in the Gagliardo W s, p (RN) semi-norm with …

Ground state and nodal solutions for fractional Orlicz problems with lack of regularity and without the Ambrosetti-Rabinowitz condition

H Missaoui, H Ounaies - Journal of Mathematical Analysis and Applications, 2023 - Elsevier
We consider a non-local Shrödinger problem driven by the fractional Orlicz g-Laplace
operator as follows (P)(−△ g) α u+ g (u)= K (x) f (x, u), in R d, where d≥ 3,(−△ g) α is the …

Fractional Higher Differentiability for Solutions of Stationary Stokes and Navier-Stokes Systems with Orlicz Growth

F Giannetti, A Passarelli di Napoli, C Scheven - Potential Analysis, 2024 - Springer
We consider weak solutions (u, π): Ω→ ℝ n× ℝ to stationary ϕ-Navier-Stokes systems of the
type− div a (x, E u)+∇ π+[D u] u= f div u= 0 in Ω⊂ ℝ n, and to the corresponding ϕ-Stokes …

Sign-changing solution for a generalized Kirchhoff problem in the fractional Orlicz-Sobolev space with nonsmooth nonlinearity

H Missaoui, A Bahrouni - Journal of Mathematical Physics, 2023 - pubs.aip.org
In this paper, we study a nonlocal generalized Kirchhoff problem driven by the fractional
Orlicz g-Laplace operator and involving a nonsmooth nonlinearity. Although this problem …