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math.CO2026
Gallai-Ramsey Numbers for -Connected Graphs
Zhao Wang, Lanyanni Zhang, Meiqin Wei +1
Given a nonempty graph , a collection of nonempty graphs , and a positive integer , the Gallai-Ramsey number is defined to be the mini…
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…