User Matthias Ludewig

1 vote

Witten index non-trivial in the context of Quantum Mechanics?

answered Jan 15, 2015 at 21:51

1 vote

Conjugacy of $L_X$ operators

answered May 22, 2017 at 8:14

1 vote

Fredholm index vs. Limit cycle theory

answered May 22, 2017 at 8:39

1 vote

Accepted

Non-invariant forms on loop Lie algebra of semisimple Lie group

answered Dec 2, 2022 at 20:31

1 vote

Existence, uniqueness, and smoothness of a solution to a first order PDE on Riemannian M

answered Feb 23, 2014 at 5:49

1 vote

Accepted

Spectrum of operator defined by composition with linear function

answered Mar 16, 2014 at 7:11

1 vote

How to define the square root of $1-\Delta $?

answered Apr 15, 2014 at 10:36

1 vote

Fourier Transform, for entire function

answered Dec 2, 2012 at 10:46

1 vote

Linearization of vector fields

answered Apr 28, 2013 at 9:44

1 vote

Can a self-adjoint operator have a continuous set of eigenvalues?

answered Oct 6, 2011 at 22:59

1 vote

Asymptotic of the heat kernel

answered Oct 15, 2013 at 18:20

0 votes

Perturbative solution to an Eigenvalue Problem with a continuous spectrum

answered Oct 11, 2011 at 11:06

0 votes

Hahn Banach Theorem for multisublinear functionals

answered Feb 22, 2012 at 19:38

0 votes

The spectrum of Schrodinger Equation

answered Apr 9, 2012 at 16:01

0 votes

Accepted

About planar graphs?

answered Apr 26, 2014 at 7:00

0 votes

Stable/Unstable Manifold Theorem for a Morse-Bott function

answered Apr 27, 2014 at 15:49

0 votes

Geodesic equation from Christoffel symbols

answered May 19, 2014 at 19:03

0 votes

Accepted

Well-posedness of heat equation with distributional right hand side

answered Dec 11, 2014 at 15:32

0 votes

Accepted

Solving the geodesic equation for a singularity crossing curve

answered Dec 1, 2016 at 9:51

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49 Answers

Witten index non-trivial in the context of Quantum Mechanics?

Conjugacy of $L_X$ operators

Fredholm index vs. Limit cycle theory

Non-invariant forms on loop Lie algebra of semisimple Lie group

Existence, uniqueness, and smoothness of a solution to a first order PDE on Riemannian M

Spectrum of operator defined by composition with linear function

How to define the square root of $1-\Delta $?

Fourier Transform, for entire function

Linearization of vector fields

Can a self-adjoint operator have a continuous set of eigenvalues?

Asymptotic of the heat kernel

Perturbative solution to an Eigenvalue Problem with a continuous spectrum

Hahn Banach Theorem for multisublinear functionals

The spectrum of Schrodinger Equation

About planar graphs?

Stable/Unstable Manifold Theorem for a Morse-Bott function

Geodesic equation from Christoffel symbols

Well-posedness of heat equation with distributional right hand side

Solving the geodesic equation for a singularity crossing curve