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Sage Days 15 Project Ideas

These are project ideas for Sage Days 15.

Prime Pi

PEOPLE: Fredrik Johansson, William Stein

  • Investigate implementing the Meissel, Lehmer, Lagarias, Miller, Odlyzko for computing the number of primes up to x.

Steenrod Algebra cohomology (Yacop integration)

  • A first version is already available. Here's a page with installation instructions: Yacop

Sage/Magma Comparison Audit

PEOPLE: William Stein

Generalized Bernoulli Numbers

PEOPLE: William Stein

  • There is a simple 2 or 3 line formula for generalized Bernoulli numbers in terms of non-generalized ones, which could be used to speed up the chi.bernoulli_number(k) command (for a Dirichlet character chi) by a factor of thousands.
  • more details

days15/projects (last edited 2009-05-21 19:33:38 by rbeezer)