Web Links
Personal Links
ORCID iD: orcid.org/0000-0003-4035-7242 (Publications)
University: Ruhr-Universität Bochum (Fakultät für Mathematik)
Profiles on: ResearchGate | Academia | OEIS | Matheplanet | Facebook
Links to interesting mathematical websites
OEIS – The On-Line Encyclopedia of Integer Sequences
Dr. Hans Walser – mathematische Homepage mit Schwerpunkt Geometrie (German)
Tilings Encyclopedia – shows a wealth of examples of non-periodic substitution tilings.
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
Mathematik alpha – Steffen Polster’s amazing free math software