activity
20092024
most citedAlmost sure global well posedness for the radial nonlinear Schrodinger equation on the unit ball I: the 2D case

54 citations · 127 across the 16 of their papers we have counts for

collaborators

20 papers

math.AP2024

Global well-posedness for supercritical SQG with perturbations of radially symmetric data

Aynur Bulut, Hongjie Dong

We study the global well-posedness of the supercritical dissipative surface quasi-geostrophic (SQG) equation, a key model in geophysical fluid dynamics. While local well-posedness…

math.AP2023★ 3 cited

Non-uniqueness up to the Onsager threshold for the forced SQG equation

Aynur Bulut, Manh Khang Huynh, Stan Palasek

We establish new non-uniqueness results for the forced inviscid surface quasi-geostrophic equation, via an alternating formulation of convex integration techniques. Our results imp…

math.AP2023

Convex integration above the Onsager exponent for the forced Euler equations

Aynur Bulut, Manh Khang Huynh, Stan Palasek

We establish new non-uniqueness results for the Euler equations with external force on . By introducing a novel alternating convex integration scheme, we…

math.AP2022

Epochs of regularity for wild Hölder-continuous solutions of the Hypodissipative Navier-Stokes System

Aynur Bulut, Manh Khang Huynh, Stan Palasek

We consider the hypodissipative Navier-Stokes equations on and seek to construct non-unique, Hölder-continuous solutions with epochs of regularity (smoo…

math.AP2021

Non-existence of splash singularities for the two-fluid Euler--Navier-Stokes system

Aynur Bulut

We consider a system of two incompressible fluids separated by a free interface. The first fluid is inviscid, governed by the Euler system, while the second fluid has positive visc…

math.AP2020

A geometric trapping approach to global regularity for 2D Navier-Stokes on manifolds

Aynur Bulut, Khang Manh Huynh

In this paper, we use frequency decomposition techniques to give a direct proof of global existence and regularity for the Navier-Stokes equations on two-dimensional Riemannian man…

math.AP2020

Blow-up criteria below scaling for defocusing energy-supercritical NLS and quantitative global scattering bounds

Aynur Bulut

We establish quantitative blow-up criteria below the scaling threshold for radially symmetric solutions to the defocusing nonlinear Schrödinger equation with nonlinearity .…

math.AP2019★ 1 cited

Nonlinear instability for the surface quasi-geostrophic equation in the supercritical regime

Aynur Bulut, Hongjie Dong

We consider the forced surface quasi-geostrophic equation with supercritical dissipation. We show that linear instability for steady state solutions leads to their nonlinear instab…

math.AP2018

Global well-posedness for the logarithmically energy-supercritical Nonlinear Wave Equation with partial symmetry

Aynur Bulut, Benjamin Dodson

We establish global well-posedness and scattering results for the logarithmically energy-supercritical nonlinear wave equation, under the assumption that the initial data satisfies…

math.AP2015

Negative energy blowup results for the focusing Hartree hierarchy via identities of virial and localized virial type

Aynur Bulut

We establish virial and localized virial identities for solutions to the Hartree hierarchy, an infinite system of partial differential equations which arises in mathematical modeli…

math.AP2014★ 1 cited

An optimal decay estimate for the linearized water wave equation in 2D

Aynur Bulut

We obtain a decay estimate for solutions to the linear dispersive equation for . This corresponds to a factorization of the…

math.AP2014

Probabilistic well-posedness for the nonlinear wave equation on

Aynur Bulut

We establish probabilistic well-posedness results for the subcubic nonlinear wave equation, posed on the domain , with randomly chosen initial data having radi…

math.AP2013★ 54 cited

Almost sure global well posedness for the radial nonlinear Schrodinger equation on the unit ball I: the 2D case

Jean Bourgain, Aynur Bulut

Our first purpose is to extend the results from \cite{T} on the radial defocusing NLS on the disc in to arbitrary smooth (defocusing) nonlinearities and show the exi…

math.AP2013

Almost sure global well posedness for the radial nonlinear Schrödinger equation on the unit ball II: the 3D case

Jean Bourgain, Aynur Bulut

We extend the convergence method introduced in our works [8]-[10] for almost sure global well-posedness of Gibbs measure evolutions of the nonlinear Schrödinger (NLS) and nonlinear…

math.AP2012

Gibbs measure evolution in radial nonlinear wave and Schrödinger equations on the ball

Jean Bourgain, Aynur Bulut

We establish new results for the radial nonlinear wave and Schrödinger equations on the ball in and , for random initial data. More precisely, a well-defined a…

math.AP2011

The defocusing energy-supercritical cubic nonlinear wave equation in dimension five

Aynur Bulut

We consider the energy-supercritical nonlinear wave equation with defocusing cubic nonlinearity in dimension with no radial assumption on the initial dat…

math.AP2011★ 9 cited

The radial defocusing energy-supercritical cubic nonlinear wave equation in R^{1+5}

Aynur Bulut

In this work, we consider the energy-supercritical defocusing cubic nonlinear wave equation in dimension d=5 for radially symmetric initial data. We prove that an a priori bound in…

math.AP2010

Global Well-Posedness and Scattering for the Defocusing Energy-Supercritical Cubic Nonlinear Wave Equation

Aynur Bulut

In this paper, we consider the defocusing cubic nonlinear wave equation in the energy-supercritical regime, in dimensions , with no radial assumption…

math.AP2009★ 8 cited

Stability and Unconditional Uniqueness of Solutions for Energy Critical Wave Equations in High Dimensions

Aynur Bulut, Magdalena Czubak, Dong Li +2

In this paper we establish a complete local theory for the energy-critical nonlinear wave equation (NLW) in high dimensions with . We p…

math.AP2009★ 51 cited

Maximizers for the Strichartz Inequalities for the Wave Equation

Aynur Bulut

We prove the existence of maximizers for Strichartz inequalities for the wave equation in dimensions . Our approach follows the scheme given by Shao, which obtains the exi…