  |
Unsolved Problems and Rewards - http://faculty.evansville.edu/ck6/integer/unsolved.html
By Clark Kimberling. Offers prizes for solutions of some problems in number theory. |
| |
L-functions and Random Matrix Theory - http://www.aimath.org/WWN/lrmt/
Conjectures and open problems concerning L-functions, focussing on the areas in which there has been recent progress using results from Random Matrix Theory. Maintained at AIM. |
| |
Mathematician's Secret Room - http://www.asahi-net.or.jp/~KC2H-MSM/mathland/overview.htm
Unsolved problems in Number Theory. English and Japanese text by Hisanori Mishima. |
| |
Number Theory Conjectures - http://www.math.umbc.edu/~campbell/Math413Fall98/Conjectures.html
A collection of easily stated conjectures which are still open. Each conjecture is stated along with a collection of references. |
 |
Unsolved Problems and Conjectures - http://euler.free.fr/eslp/unsolve.htm
Regarding equal sums of like powers, compiled by Chen Shuwen. |