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math.CO2025
On -deformed Markov numbers. Cohn matrices and perfect matchings with weighted edges
Sam Evans, Perrine Jouteur, Sophie Morier-Genoud +1
We consider a natural -deformation of the classical Markov numbers. This -deformation is closely related to -deformed rational numbers recently introduced by two of us. Bo…
math.CO2025
Symmetries of the q-deformed real projective line
Perrine Jouteur
We generalize in two steps the quantized action of the modular group on q-deformed real numbers introduced by Morier-Genoud and Ovsienko. First, we let the projective general linea…