Bessel functions

A separate page with the script for this paper with Nikolay Filonov, Iosif Polterovich and David A Sher.

 

Pólya's conjecture

A separate page with the scripts for this paper and another paper with Nikolay Filonov, Iosif Polterovich and David A Sher.

 

Hyperbolic manifolds

A separate page with all the videos for the paper with Alexander Strohmaier, also available on YouTube.

 

A very brief introduction to eigenvalue computations with FreeFem

A separate page summarising a brief tutorial prepared for my mini-course at Inverse and Spectral Problems for (Non)-Local Operators Summer School in Leipzig in 2018.

 

Indefinite linear pencils

An MP4 video and a Mathematica 7 code for the paper E B Davies and M Levitin, Spectra of a class of non-self-adjoint matrices, Linear Algebra and its Applications 448 (2014), 55–84.

 

Waveguides

Matlab scripts (rather old!; external site) for the paper M Levitin and M Marletta, A simple method of calculating eigenvalues and resonances in domains with infinite regular ends, Proc. Royal Soc. Edinburgh, 138A (2008), 1043-1065.