Mathematical Inequalities & Applications · Volume 18, Issue 3 M♮-convexity and ultramodularity on integer lattice 18-71 Pages 949-958 DOI 10.7153/mia-18-71 Downloads Short PDF Full PDF PNG Authors Sumbul Azeem Rashid Farooq Keywords ultramodularity M♮-convexity discrete convexity Subject classes 26B25 90C27