Information that I consider relevant to our field and its future, Educational Mathematics, was recently published on the site https://lims.ac.uk/23-mathematical challenges/, the note was titled “23 Mathematical challenges”.
References
Yandell, B. (2001). The Honors Class: Hilbert’s Problems and Their Solvers, CRC Press.
Nash, J. F. Jr. and Rassias, M. (eds.). (2016). Open Problems in Mathematics, Springer.
Smale, S. (1998). Mathematical Problems for the Next Century, Mathematical Intelligencer 20, 7.23 Mathematical Challenges, Defense Advanced Research Projects Agency (2008). https://lims.ac.uk/23-mathematical-challenges/