JCT
2006
14 years 12 days ago
2006
We give two short proofs that for fixed d, a d-regular Cayley graph on an Abelian group of order n has second eigenvalue bounded below by d - O(dn-4/d), where the implied constant...
FLOPS
2006
Springer
14 years 4 months ago
2006
Springer
Pocklington certificates are known to provide short proofs of primality. We show how to perform this in the framework of formal, mechanically checked, proofs. We present an encodin...