2 papers
cs.IT2009
Generalizations of Wei's Duality Theorem
Thomas Britz, Bård Heiseldel, Trygve Johnsen +2
Wei's celebrated Duality Theorem is generalized in several ways, expressed as duality theorems for linear codes over division rings and, more generally, duality theorems for matroi…
math.CO1999
Finite posets and Ferrers shapes
Thomas Britz, Sergey Fomin
A survey on the Greene-Kleitman correspondence, with complete proofs, many of which are new.