András Bátkai's user avatar
András Bátkai's user avatar
András Bátkai's user avatar
András Bátkai
  • Member for 13 years, 1 month
  • Last seen this week
3 votes

Integral representation of the resolvent of a semigroup

3 votes
Accepted

Existence for ODE in Banach space (accretive operators and Crandall-Liggett)

3 votes

Techniques to show existence for a PDE with dynamic boundary condition

3 votes

Is a semigroup always an exponential?

3 votes
Accepted

Positive semigroups and convex operator

3 votes
Accepted

Nonlinear parabolic PDEs existence with Galerkin method?

3 votes

A closed extension of the Laplace operator with respect to the supremum norm

3 votes
Accepted

Algorithm to find exponential map of differential operators acting on function

2 votes
Accepted

Boundary condition for a non linear schrodinger equation

2 votes

Textbook recommendations for undergraduate proof-writing class

2 votes
Accepted

definition of accretive operator

2 votes

What is the right initial domain for the Dirichlet-Laplacian on a bounded domain?

2 votes
Accepted

(Ref req) Schrödinger heat kernel is a weak solution of parabolic Schrödinger equation

2 votes
Accepted

$C_0$ semigroups on parameterized Banach spaces or moving domains

2 votes

Restriction of a semigroup to a form domain

2 votes

Renorming into contraction

2 votes

Schauder estimates for higher order linear elliptic operator on manifold

2 votes

Robin-Laplacian in unbounded domains

2 votes
Accepted

On exponential formula for $C_0$ semigroups

2 votes
Accepted

Easy question on Sobolev spaces

2 votes
Accepted

ordered exponential of unbounded operators

2 votes
Accepted

Generator of Laplace operator as analytic semigroup on $L^1(\mathbb{R}^n)$

2 votes

Is there a sufficient criteria to guarantee that $\lim_{n} a_{nn} = \lim_{m} \lim_{n} a_{mn}$ ?

2 votes
Accepted

question about mixed spectrum of a linear operator $\mathcal{L}$

2 votes

Almost Orthogonal Vectors given a Unitary Operator

2 votes

Infinitesimal generators of stochastic processes

2 votes

Characterizing when matrices are 'dissipative'

2 votes
Accepted

Estimate of semigroup with dual norm?

2 votes
Accepted

Positive analytic semigroup

2 votes
Accepted

Laplacian dissipative?