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math.CO2024
Hindrance from a wasteful partial linkage
Attila Joó
Let be a (possibly infinite) digraph and . A hindrance consists of an -separator together with a set of disjoint -paths linking a pr…
math.CO2024
A Note on Matching Variables to Equations
Attila Joó
We showed with J. P. Gollin that if a (possibly infinite) homogeneous linear equation system has only the trivial solution, then there exists an injective function from the variabl…