Web Links

Personal Links

My ORCID iD: orcid.org/0000-0003-4035-7242 (Publications)

Ruhr-Universität Bochum – Fakultät für Mathematik

Mike Winkler Media – Webdesign | Film | Photography

My profiles on:  ResearchGateAcademiaKudosOEISMatroids MatheplanetFacebook

Links to interesting mathematical websites

OEIS – The On-Line Encyclopedia of Integer Sequences

Dr. Hans Walser – mathematische Homepage mit Schwerpunkt Geometrie (German)

Multimagie – all kinds of magic squares (solutions, proofs, conjectures, open problems)

On the 3x + 1 problem – comprehensive page for the Collatz problem

The Number Theory Web – comprehensive page on topics in number theory

Erich’s Place – Erich Friedman’s awesome mathematical homepage

Ventrella.com – Jeffrey Ventrella’s amazing homepage showing visual math, art and more

Geometry Junkyard – David Eppstein’s huge collection of geometrically stuff

MathPages – Kevin Brown’s huge collection of mathematical themes, much better than Wikipedia