antitone

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• Galois connection — In mathematics, especially in order theory, a Galois connection is a particular correspondence between two partially ordered sets (posets). Galois connections generalize the correspondence between subgroups and subfields investigated in Galois… …   Wikipedia

• Correspondance de Galois — En mathématiques, une correspondance de Galois antitone est une généralisation, pour deux ordres partiels quelconques, de la correspondance entre sous corps d une extension galoisienne et sous groupes de son groupe de Galois. Une correspondance… …   Wikipédia en Français

• Monotonic function — Monotonicity redirects here. For information on monotonicity as it pertains to voting systems, see monotonicity criterion. Monotonic redirects here. For other uses, see Monotone (disambiguation). Figure 1. A monotonically increasing function (it… …   Wikipedia

• Glossary of order theory — This is a glossary of some terms used in various branches of mathematics that are related to the fields of order, lattice, and domain theory. Note that there is a structured list of order topics available as well. Other helpful resources might be …   Wikipedia

• Adjoint functors — Adjunction redirects here. For the construction in field theory, see Adjunction (field theory). For the construction in topology, see Adjunction space. In mathematics, adjoint functors are pairs of functors which stand in a particular… …   Wikipedia

• Order theory — For a topical guide to this subject, see Outline of order theory. Order theory is a branch of mathematics which investigates our intuitive notion of order using binary relations. It provides a formal framework for describing statements such as… …   Wikipedia

• Kronecker's theorem — In mathematics, Kronecker s theorem, named after Leopold Kronecker, is a result in diophantine approximations applying to several real numbers xi , for 1 ≤ i ≤ N , that generalises dubious the equidistribution theorem, which implies that an… …   Wikipedia

• Commutant — En algèbre, le commutant[1] d un sous ensemble X d un magma A (par exemple une algèbre sur un anneau, pour la multiplication) est le sous ensemble X des éléments de A qui commutent avec tout élément de X. Autrement dit, En théorie des groupes, le …   Wikipédia en Français