Positselski, Leonid https://orcid.org/0000-0001-8836-3911
Funding for this research was provided by:
Institute of Mathematics of the Czech Academy of Sciences
Article History
Received: 9 October 2025
Accepted: 28 December 2025
First Online: 18 February 2026
Declarations
:
: The authors declare no Conflict of interest.
: Not applicable.