Unsolved Mathematics Problems - Compiled by Steven Finch. Descriptions of some unsolved problems and numerous links to other collections.

Information for Readers of sci.math.research - Charter and useful information for this moderated research-level newsgroup .

Millennium Prize Problems - The seven problems proposed by the Clay Mathematics Institute: P versus NP; Hodge Conjecture; Poincaré Conjecture; Riemann Hypothesis; Yang-Mills Existence and Mass Gap; Navier-Stokes Existence and Smoothness; Birch and Swinnerton-Dyer Conjecture.

Referativni Zhurnal Classification Scheme - Translated by Bogdan Dudzik.