A complete list of my publications, some with overview,

can be found here

https://www.scilag.net/profile/henrik-shahgholian

What is Problem-Mining? See

https://www.scilag.net/problem-mining/

Some open problems in Math.

PDE: https://www.scilag.net/problem/P-180630.2

DIff. Geometry: https://www.scilag.net/problem/P-180904.1

Combinatorics/PDE: https://www.scilag.net/problem/P-181023.1

Combinatorics: https://www.scilag.net/problem/P-181012.1