On normal affine semigroups
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J.C. Rosales; P.A. GarciΒ΄a-SaΒ΄nchez
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Article
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1999
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Elsevier Science
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English
β 949 KB
## semigroup. 3. An ~l~or~th~~ to determine a mi~irn~i system of generators for the dual of a g:'scn scm.~roup. ;r e would like to thank the referee for his suggestions and comments. An !jjjitw sotligwr~p is a finitely generated commuta\*:ve subsemigroup of N' (under addition) for some positive i