The nucleon is introduced as a new allocation concept for non-negative
cooperative n-person transferable utility games. The nucleon may be v
iewed as the multiplicative analogue of Schmeidler's nucleolus. It is
shown that the nucleon of (not necessarily bipartite) matching games c
an be computed in polynomial time. (C) 1998 The Mathematical Programmi
ng Society, Inc. Published by Elsevier Science B.V.