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math.CV2026
Quasi-visual approximations
Mario Bonk, Mikhail Hlushchanka, Daniel Meyer
We develop the foundations of the theory of quasi-visual approximations of bounded metric spaces. Roughly speaking, these are sequences of covers of a given space for which the dia…
math.CV2025
Conformal maps and critical points of Eisenstein series
Mario Bonk
We investigate the critical points of the basic (quasi-)modular forms , , and . They occur where some associated polymorphic functions have poles. By an explicit des…