2 papers
math.CO2024
Genus distribution polynomials for bicellular bicolored maps all with real zeros
Zi-Wei Bai, Ricky X. F. Chen
Enumerating bicolored maps and maps according to the numbers (and possibly types) of edges, faces, white vertices, black vertices and genus has been an important topic arising in m…
math.CO2023
Explicit formulas for a family of hypermaps beyond the one-face case
Zi-Wei Bai, Ricky X. F. Chen
Enumeration of hypermaps is widely studied in many fields. In particular, enumerating hypermaps with a fixed edge-type according to the number of faces and genus is one topic of gr…