In this talk, I will introduce an open problem and survey my failed attempts to solve it; as far as I know, it is new. The problem concerns Euclidean lattice counting, and its statement is rather elementary.
Links:
[1] https://www.mpim-bonn.mpg.de/de/taxonomy/term/39
[2] https://www.mpim-bonn.mpg.de/de/node/3444
[3] https://www.mpim-bonn.mpg.de/de/node/14023