The non-abelian squares are not context-free
Abstract
Answering a recent question of Crochemore, we prove that the language of words that are not abelian squares is not context-free.
0
Turn this paper into a lesson
ArcXiv compiles a structured reading guide from this paper's metadata: plain-English importance, contributions, prerequisite concepts, which sections to read first, flashcards, and a quiz. Grounded in the abstract, never invented.