Olga Sapir

1. Catalan monoids inherently nonfinitely based relative to finite R-trivial semigroups
   2022/11/23 by Olga Sapir, Sapir, Olga B., Mikhail V. Volkov +1 · 1 citation
   Computer Science · #20M07 #FOS: Mathematics #Group Theory (math.GR) #semigroups and automata theory
2. Catalan monoids inherently nonfinitely based relative to finite R -trivial semigroups
   2023/06/29 by O.B. Sapir, Olga Sapir, Mikhail V. Volkov +1 · 1 citation
   Computer Science · Mathematics · #semigroups and automata theory #Advanced Algebra and Logic #Geometric and Algebraic Topology