Favourite links
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I am a member of the


American Mathematical Society


Mathematical sites


The Works of Leonard Euler Online

Chris Caldwell's Prime Number Site

Keith Matthews' Homepage

The Number Theory Web

History of Mathematics web site

On-Line Encyclopaedia of Integer Sequences

Centre for Experimental and Constructive Mathematics

cut-the-knot

The Journal of Integer Sequences

Abderrahmane Nitaj's abc conjecture Home Page

Noam Elkies' Computational Number Theory Page

Eric W. Weisstein's mathworld

KnotPLot

Distributed Search for Fermat Number Divisors

Fermat number factoring status

L-functions and modular forms Data Base

Carlos Rivera's (Prime Puzzles and) Conjectures site

Recent Number Theory submissions at arxiv site

Mathematical Spectrum

Landau's problems

Insights into Mathematics (NJ Wildberger)

Proofs (246, so far) of the Quadratic Reciprocity Law


Personal web sites. Here, in chronological order, the first five - Andrew, Doron, Karl (my wonderful co-author), Jon and Neil - were especially important in my mathematical life, and the sixth - Michel - was a great moral support. Merci beaucoup Michel.


Andrew Granville

Doron Zeilberger

Karl Dilcher

My ten papers (2008-2015) with Karl are here

Jonathan Borwein

N.J.A Sloane

Michel Waldschmidt

David Bailey

Herbert Wilf

David Eppstein

Bruno Buchberger

Timothy Gowers

Timothy Gowers's Weblog

Donald E. Knuth

Simon Plouffe

Ken Ono

Barry Mazur

Terence Tao

Terence Tao's What's New

Frits Beukers

George Shakan's Maths Blog

NJ Wildberger's Maths Blog

Colin Walter

Colm Mulcahy

Colm's Annals of Irish Mathematics & Mathematicians

Tony O'Farrell's blog


 

Contact details. jbcosgrave at gmail.com