The -color
bipartite Ramsey number
of a bipartite graph
is the least integer
such that every assignment of
colors to the edges of the complete bipartite graph
contains a monochromatic copy of
. This differs from the ordinary Ramsey
number, whose host is a complete graph.
Ai and Yin (2026) proved that for all sufficiently large
, where
is the cycle graph of
length
.
Their lower bound
holds for every
. Ai and Yin (2026) report mathematical assistance from
GPT-6.1 Sol and Claude Fable 5.1 with intermediate derivations, capacity arguments,
and threshold checks.