Showing math.COShow all
2 papers · 1 filter
math.CO2024
Lower Bounds for Multicolor Star-Critical Ramsey Numbers
Mark Budden, Yash Shamsundar Khobragade, Siddhartha Sarkar
The star-critical Ramsey number is a refinement of the concept of a Ramsey number. In this paper, we give equivalent criteria for which the star-critical Ramsey number vanishes. Ne…
math.CO2024
Rainbow Numbers for the Generalized Schur Equation
Mark Budden, Bruce Landman
We consider the rainbow Schur number , defined to be the minimum number of colors such that every coloring of , using all colors, contains a ra…