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In this paper, we investigate the blow-up phenomenon of the $H^2$ norm of solutions to the inhomogeneous biharmonic Schrodinger equation in two distinct scenarios. First, we consider the case of negative energy, analyzing separately the…

Analysis of PDEs · Mathematics 2025-07-09 Renzo Scarpelli , Maicon Hespanha

We study the blow up solutions of a semilinear reaction diffusion system coupled in both equations and boundary conditions. The main purpose is to understand how the reaction terms and the absorption terms affect the blow-up properties. We…

Analysis of PDEs · Mathematics 2016-11-26 Maan A. Rasheed , Miroslav Chlebik

In this paper we show the existence of ground-state solutions for the energy-critical NLS perturbed with subcritical terms when the space dimension $d\geq4$. However in dimension three, we show that when the perturbation is small enough,…

Analysis of PDEs · Mathematics 2011-12-07 Takafumi Akahori , Slim Ibrahim , Hiroaki Kikuchi , Hayato Nawa

This paper is intended to review recent results and open problems concerning the existence of steady states to the Maxwell-Schr\"odinger system. A combination of tools, proofs and results are presented in the framework of the…

Analysis of PDEs · Mathematics 2013-06-18 Isabelle Catto , Jean Dolbeault , Óscar Sánchez , Juan Soler

In this paper, we study the nonlinear Schr\"odinger equation with focusing point nonlinearity in dimension one. First, we establish a scattering criterion for the equation based on Kenig-Merle's compactness-rigidity argument. Then we prove…

Analysis of PDEs · Mathematics 2021-07-14 Alex H. Ardila

We propose a new analytical method to solve for the nonexactly solvable Schrodinger equation. Successfully, it is applied to a class of spiked harmonic oscillators and truncated Coulomb potentials. The utility of this method could be…

Mathematical Physics · Physics 2009-10-31 Omar Mustafa , Maen Odeh

In this paper, we prove a universal upper bound on the blowup rate of a focusing nonlinear Schr\"odinger equation with an angular momentum under a trapping harmonic potential, assuming that the initial data is radially symmetric in the…

Analysis of PDEs · Mathematics 2021-07-07 Yi Hu , Christopher Leonard , Shijun Zheng

We study the stochastic Nonlinear Schr\"{o}dinger system with multiplicative white noise in energy space $H^1$. Based on deterministic and stochastic Strichartz estimates, we prove the local well-posedness and uniqueness of mild solution.…

Analysis of PDEs · Mathematics 2019-12-12 Qi Zhang , Jinqiao Duan , Yong Chen

We prove the existence of normalized ground state solutions for the biharmonic Schr\"odinger equation with combined nonlinearities and show that all ground states correspond to the local minima of the associated energy functional restricted…

Analysis of PDEs · Mathematics 2023-05-02 Xiaojun Chang , Hichem Hajaiej , Zhouji Ma , Linjie Song

The combustion model is studied in three-dimensional (3D) smooth bounded domains with various types of boundary conditions. The global existence and uniqueness of strong solutions are obtained under the smallness of the gradient of initial…

Analysis of PDEs · Mathematics 2023-10-17 Jiawen Zhang

We study the focusing mass-critical rough nonlinear Schroedinger equations, where the stochastic integration is taken in the sense of controlled rough path. We obtain the global well-posedness if the mass of initial data is below that of…

Probability · Mathematics 2020-02-25 Yiming Su , Deng Zhang

Three-body systems in two dimensions with zero-range interactions are considered for general masses and interaction strengths. The problem is formulated in momentum space and the numerical solution of the Schr\"odinger equation is used to…

Quantum Gases · Physics 2014-11-12 F. F. Bellotti , T. Frederico , M. T. Yamashita , D. V. Fedorov , A. S. Jensen , N. T. Zinner

We investigate a class of nonlinear equations of Schr\"odinger type with competing inhomogeneous nonlinearities in the non-radial inter-critical regime, \begin{align*} i \partial_t u +\Delta u &=|x|^{-b_1} |u|^{p_1-2} u - |x|^{-b_2}…

Analysis of PDEs · Mathematics 2026-04-15 Tianxiang Gou , Mohamed Majdoub , Tarek Saanouni

Boundedness and blow-up of solutions for a nonlinear elliptic system arising in probability and stochastic processes

Analysis of PDEs · Mathematics 2013-06-07 Dragos-Patru Covei

This work investigates radial solutions for nonlinear fractional Schr\"odinger equations driven by multiplicative noise. Leveraging radial deterministic and stochastic Strichartz estimates, we establish local well-posedness in the…

Analysis of PDEs · Mathematics 2025-06-03 Ao Zhang , Yanjie Zhang , Jinqiao Duan

We study the ground state problem of the nonlinear Schrodinger functional with a mass-critical inhomogeneous nonlinear term. We provide the optimal condition for the existence of ground states and show that in the critical focusing regime…

Mathematical Physics · Physics 2019-05-02 Thanh Viet Phan

We study the possibility of finite-time blow-up for a two dimensional Broadwell model. In a set of rescaled variables, we prove that no self-similar blow-up solution exists, and derive some a priori bounds on the blow-up rate. In the final…

Analysis of PDEs · Mathematics 2007-05-23 Alberto Bressan , Massimo Fonte

Given $p$ points in a bounded domain of $\R^d$, with $d=2,3$, we show the existence of solutions of the $L^2$-critical focusing nonlinear Schr\"odinger equation blowing up exactly in these points.

Analysis of PDEs · Mathematics 2010-09-03 Nicolas Godet

In this paper we develop two different types of criteria for the finite time blow-up solutions to the combined nonlinear Schr\"odinger equation in 1D. The first one is a negative energy criterion developed for triple combined nonlinearity…

Analysis of PDEs · Mathematics 2026-02-25 Alex D Rodriguez

We study the Schrodinger equation for one-electron atoms in space-times with d >= 4 spatial dimensions where the Gauss law is assumed to be valid. It is shown that there are no normalizable wave functions corresponding to bound states. The…

Quantum Physics · Physics 2007-05-23 Nelson R. F. Braga , Rafael D'Andrea