3 papers
math.CO2026
Stacking and Clearing in Directed Graph Pebbling
Tamás Csernák, Lajos Soukup
Suppose that pebbles are distributed on the vertices of a directed graph D. A directed pebbling step u -> v along an arc u -> v removes two pebbles from u and places one pebble on…
math.CO2026
Stacking and clearing in graph pebbling
Tamás Csernák, Lajos Soukup
Suppose that pebbles are distributed on the vertices of a graph G. A pebbling step along an edge uv removes two pebbles from u and places one pebble on v. We introduce two new grap…
math.CO2025
Any fully graphic region of degree sequences can be sampled rapidly
Péter L. ErdÅs, Gábor Lippner, Na'ama Nevo +1
Let and be positive integers with Let $\mD=\dds{n}Σ{c_1}{c_2}$ denote the set of all degree sequences of length with the…