1 citations
2 papers
math.CO2026★ 1 cited
On some classes of binary matrices
Krasimir Yordzhev
The work considers the set of all binary matrices having the same number of units in each row and each column. The article specifically focuses on the matr…
cs.FL2026
On A. V. Anisimov's problem for finding a polynomial algorithm checking inclusion of context-free languages in group languages
Krasimir Yordzhev
The work investigates the problem of whether a context-free language is a subset of a group language. A.~V. Anisimov has shown that the problem of determining the unambiguity of fi…