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math.CO2023
Graphs with arbitrary Ramsey number and connectivity
Isabel Ahme, Alex Scott
The Ramsey number of a graph is the minimum number such that any red-blue colouring of the edges of contains a monochromatic copy of . Pavez-Signé, Piga and…
math.CO2023
Boundary rigidity of 3D CAT(0) cube complexes
John Haslegrave, Alex Scott, Youri Tamitegama +1
The boundary rigidity problem is a classical question from Riemannian geometry: if is a Riemannian manifold with smooth boundary, is the geometry of determined up to i…