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math.GT2023
Continued fractions and lines across the Stern--Brocot diagram
Heather Abramson, Eric Chesebro, Vivian Cummins +3
This paper concerns the relationships between continued fractions and the geometry of the Stern-Brocot diagram. Each rational number can be expressed as a continued fraction $[a_0;…
math.AT2023
K-Theory of Multi-parameter Persistence Modules: Additivity
Ryan E. Grady, Anna Schenfisch
Persistence modules stratify their underlying parameter space, a quality that make persistence modules amenable to study via invariants of stratified spaces. In this article, we ex…