English
Related papers

Related papers: The mixed fractional Hartree equations in Fourier …

200 papers

We establish some local and global well-posedness for Hartree-Fock equations of $N$ particles (HFP) with Cauchy data in Lebesgue spaces $L^p \cap L^2 $ for $1\leq p \leq \infty$. Similar results are proven for fractional HFP in…

Analysis of PDEs · Mathematics 2022-09-08 Divyang G. Bhimani , Saikatul Haque

We prove the global existence of the solution for fractional Hartree equations with initial data in certain real interpolation spaces between $L^{2}$ and some kinds of new function spaces defined by fractional Schr\"odinger semigroup, which…

Analysis of PDEs · Mathematics 2025-11-05 Yufeng Lu

We study the Cauchy problem for fractional Schr\"odinger equation with cubic convolution nonlinearity ($i\partial_t u - (-\Delta)^{\frac{\alpha}{2}}u\pm (K\ast |u|^2) u =0$) with Cauchy data in the modulation spaces $M^{p,q}(\mathbb…

Analysis of PDEs · Mathematics 2018-10-10 Divyang G. Bhimani

We establish both a local and a global well-posedness theories for the nonlinear Hartree-Fock equations and its reduced analog in the setting of the modulation spaces on $\mathbb R^d$. In addition, we prove similar results when a harmonic…

Analysis of PDEs · Mathematics 2019-08-19 Divyang G. Bhimani , Manoussos Grillakis , Kasso A. Okoudjou

We consider fractional Hartree and cubic nonlinear Schr\"odinger equations on Euclidean space $\mathbb R^d$ and on torus $\mathbb T^d$. We establish norm inflation (a stronger phenomena than standard ill-posedness) at every initial data in…

Analysis of PDEs · Mathematics 2023-08-25 Divyang G. Bhimani , Saikatul Haque

We study Cauchy problem for the Klein-Gordon (HNLKG), wave (HNLW) and Schr\"odinger (HNLS) equations with cubic convolution (Hartree type) nonlinearity. Some global well-posedness and scattering are obtained for the (HNLKG) and (HNLS) with…

Analysis of PDEs · Mathematics 2018-10-29 Divyang G. Bhimani

Modulation spaces have received considerable interest recently as it is the natural function spaces to consider low regularity Cauchy data for several nonlinear evolution equations. We establish global well-posedness for 3D…

Analysis of PDEs · Mathematics 2023-07-24 Divyang G. Bhimani

We obtain the local well-posedness for Dirac equations with a Hartree type nonlinearity derived by decoupling the Dirac-Klein-Gordon system. We extend the function space of initial data, enabling us to handle initial data that were not…

Analysis of PDEs · Mathematics 2024-12-03 Seongyeon Kim , Hyeongjin Lee , Ihyeok Seo

By using tools of time-frequency analysis, we obtain some improved local well-posedness results for the NLS, NLW and NLKG equations with Cauchy data in modulation spaces $M{p, 1}_{0,s}$.

Analysis of PDEs · Mathematics 2014-02-26 Árpád Bényi , Kasso A. Okoudjou

We study the \emph{complex-valued} solutions to the Cauchy problem of the modified Korteweg-de Vries equation on the real line. To study the low-regularity problems, we employ a generalized Fourier-Lebesgue space…

Analysis of PDEs · Mathematics 2025-03-13 Zijun Chen , Zihua Guo , Chunyan Huang

This article concerns with the global H\"older regularity of weak solutions to a class of problems involving the fractional $(p,q)$-Laplacian, denoted by $(-\Delta)^{s_1}_{p}+(-\Delta)^{s_2}_{q}$, for $1<p,q<\infty$ and $s_1,s_2\in (0,1)$.…

Analysis of PDEs · Mathematics 2021-12-21 Jacques Giacomoni , Deepak Kumar , K. Sreenadh

We consider here variational solutions in the Hartree-Fock approximation upon breaking time reversal and axial symmetries. When decomposed on axial harmonic oscillator functions, the corresponding single particle triaxial eigenstates as…

Nuclear Theory · Physics 2009-10-31 D. Samsoen , P. Quentin , J. Bartel

In this article, we communicate with the glimpse of the proofs of global regularity results for weak solutions to a class of problems involving fractional $(p,q)$-Laplacian, denoted by $(-\Delta)^{s_1}_{p}+(-\Delta)^{s_2}_{q}$, for $s_2,…

Analysis of PDEs · Mathematics 2022-02-08 J. Giacomoni , D. Kumar , K. Sreenadh

In this article, we deal with the global regularity of weak solutions to a class of problems involving the fractional $(p,q)$-Laplacian, denoted by $(-\Delta)^{s_1}_{p}+(-\Delta)^{s_2}_{q}$, for $s_2, s_1\in (0,1)$ and $1<p,q<\infty$. We…

Analysis of PDEs · Mathematics 2021-04-09 Jacques Giacomoni , Deepak Kumar , K. Sreenadh

Exploiting continuity properties of Fourier multipliers on modulation spaces and Wiener amalgam spaces, we study the Cauchy problem for the NLW equation. Local wellposedness for rough data in modulation spaces and Wiener amalgam spaces is…

Analysis of PDEs · Mathematics 2016-06-28 Elena Cordero , Fabio Nicola

We study nonlinear Schr\"odinger $i\partial_tu-Hu=F(u)$ (NLSH) equation associated to harmonic oscillator $H=-\Delta +|x|^2$ in modulation spaces $M^{p,q}.$ When $F(u)= (|x|^{-\gamma}\ast |u|^2)u, $ we prove global well-posedness for (NLSH)…

Analysis of PDEs · Mathematics 2018-10-17 Divyang G. Bhimani

In this paper we study some local and global regularity properties of Fourier series obtained as fractional integrals of modular forms. In particular we characterize the differentiability at rational points, determine their H\"older…

Classical Analysis and ODEs · Mathematics 2017-12-19 Carlos Pastor

Let $p(\cdot)$ be a measurable function defined on a probability space satisfying $0<p_-:={\rm ess}\inf_{x\in \Omega}p(x)\leq {\rm ess}\sup_{x\in\Omega}p(x)=:p_+<\infty$. We investigate five types of martingale Hardy spaces $H_{p(\cdot)}$…

Probability · Mathematics 2020-01-27 Yong Jiao , Ferenc Weisz , Dejian Zhou , Lian Wu

We consider magnetic Schr\"odinger equations with sublinear magnetic potentials and subquadratic electric potentials on $\mathbb{R}^{d}$, as well as generalizations thereof. We obtain new results on the global well-posedness of the Cauchy…

Analysis of PDEs · Mathematics 2026-03-24 Dorothee Frey , Siliang Weng

We establish well-posedness theory for the 1D mass-subcritical nonlinear Schr\"odinger equation (NLS) having power-type nonlinearity $|u|^{\alpha-1}u$ in a certain modulation spaces $M^{p,p'}(\mathbb{R}),$ where $p'$ is a H\"older conjugate…

Analysis of PDEs · Mathematics 2026-03-17 Divyang G. Bhimani , Diksha Dhingra , Vijay Kumar Sohani
‹ Prev 1 2 3 10 Next ›