[Geombinatorics][1] is a journal on open problems of combinatorial and discrete geometry and related areas. The journal is edited by Prof. [Alexander "Sasha" Soifer][2]: he used to have a MO account, but I can't find him in the list of [users][3] of the site anymore. [1]: http://geombina.uccs.edu/ [2]: http://www.uccs.edu/~asoifer/ [3]: https://mathoverflow.net/users