3 papers
math.CO2026
On the m-point convexity
Wenzhi Liu, Wei Wang, Liping Yuan +1
Let . A set is said to be -point convex, if for every distinct points in , at least one of the line-segments determined by them lie…
math.NT2026
Recurrence and congruences for the smallest parts function
Wei Wang
Let $\spt(n)$ be the number of smallest parts in the partitions of . In this paper, we give some generalized Euler-like recursive formulas for the $\spt$ function in terms of He…
math.LO2025
Finite Combinatorics and Fragments of Arithmetic
Wei Wang
In fragments of first order arithmetic, definable maps on finite domains could behave very differently from finite maps. Here combinatorial properties of -definable maps…