In mathematics, a numerical semigroup is a special kind of a semigroup. Its underlying set is the set of all nonnegative integers except a finite number...
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the theory of numerical semigroups, the genus of a numerical semigroup is the cardinality of the set of gaps in the numerical semigroup Genus of a quadratic...
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the subset. In this case, it is called a "numerical semigroup". A numerical semigroup is called an Arf semigroup if, for every three elements x, y, and z...
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field theory) Artin conductor, of a Galois group Conductor of a Numerical semigroup Electrical conductor Electrical resistivity and conductivity Electrical...
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mathematics, a semigroup is a nonempty set together with an associative binary operation. A special class of semigroups is a class of semigroups satisfying...
35 KB (428 words) - 13:11, 9 April 2023
19-23). Postage stamp problem Change-making problem Sylver coinage Numerical semigroup The original source is sometimes incorrectly cited as, in which the...
26 KB (3,923 words) - 22:37, 10 August 2024
set, and can be described mathematically as the set of gaps of a numerical semigroup. Some of these finite positions, including all of the positions after...
8 KB (1,067 words) - 13:34, 24 July 2024
gives the non-gaps a numerical semigroup structure, and an old question of Adolf Hurwitz asked for a characterization of the semigroups occurring. A new necessary...
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Monoid (category Semigroup theory)
with addition form a monoid, the identity element being 0. Monoids are semigroups with identity. Such algebraic structures occur in several branches of...
35 KB (4,447 words) - 08:24, 16 July 2024
science such as automata theory, syntactic semigroup, model theory and semigroup theory. The class of regular numerical predicate is denoted C l c a {\displaystyle...
12 KB (2,190 words) - 23:10, 5 March 2024