Spracherkennung für: .tst vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
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#W extreme/conginv.tst
#Y Copyright (C) 2015-16 Michael C. Young
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## Licensing information can be found in the README file of this package.
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#@local S, cong, cong_by_ker_trace_threshold
gap> START_TEST("Semigroups package: extreme/conginv.tst");
gap> LoadPackage("semigroups", false);;
# Set info levels and user preferences
gap> SEMIGROUPS.StartTest();
# Always use kernel-trace methods if possible in these tests
gap> SEMIGROUPS.DefaultOptionsRec.cong_by_ker_trace_threshold := 0;;
# AsInverseSemigroupCongruenceByKernelTrace: should take about 20 seconds
gap> S := InverseSemigroup([PartialPerm([1, 3, 4, 5], [6, 7, 4, 1]),
> PartialPerm([1, 2, 4, 5, 6], [2, 8, 5, 1, 7]),
> PartialPerm([1, 2, 3, 4, 7], [2, 3, 5, 7, 6]),
> PartialPerm([1, 2, 4, 5, 6, 7], [8, 2, 3, 7, 1, 5]),
> PartialPerm([1, 2, 3, 5, 6, 7], [8, 4, 1, 3, 5, 7]),
> PartialPerm([1, 2, 3, 8], [2, 7, 1, 4]),
> PartialPerm([1, 2, 3, 4, 5, 8], [4, 7, 6, 1, 3, 2]),
> PartialPerm([1, 2, 3, 6, 8], [5, 4, 3, 6, 1])]);;
gap> cong := SemigroupCongruence(S, [S.1, S.2]);
<semigroup congruence over <inverse partial perm semigroup of size 57584,
rank 8 with 8 generators> with congruence pair (57528,29)>
gap> NrEquivalenceClasses(cong);
85
gap> IsReesCongruence(cong);
true
gap> SemigroupIdealOfReesCongruence(cong);
<inverse partial perm semigroup ideal of size 57500, rank 8 with
57500 generators>
#
gap> SEMIGROUPS.StopTest();
gap> STOP_TEST("Semigroups package: extreme/conginv.tst");