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math.CO2026
Singularly perturbed discrete differential equations
Michael Drmota, Eva-Maria Hainzl
Discrete differential equations appear most prominently in planar map and lattice path enumeration. In this work we consider discrete differential equations with an additional para…
math.CO2026
Asymptotic Transfer in Critical Recursive Composition Schemes
Michael Drmota, Zéphyr Salvy
The composition of two combinatorial classes and is a standard combinatorial construction and translates into the compos…