operad
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Operad theory — is a field of abstract algebra concerned with prototypical algebras that model properties such as commutativity or anticommutativity as well as various amounts of associativity. Operads generalize the various associativity properties already… … Wikipedia
A∞-operad — In the theory of operads in algebra and algebraic topology, an A∞ operad is a parameter space for a multiplication map that is associative up to all higher homotopies, but not necessarily commutative. (An operad that describes a multiplication… … Wikipedia
E∞-operad — In the theory of operads in algebra and algebraic topology, an E∞ operad is a parameter space for a multiplication map that is associative and commutative up to all higher homotopies. (An operad that describes a multiplication that is associative … Wikipedia
Universal algebra — (sometimes called general algebra) is the field of mathematics that studies algebraic structures themselves, not examples ( models ) of algebraic structures.For instance, rather than take particular groups as the object of study, in universal… … Wikipedia
Planar algebra — In mathematics, planar algebras first appeared in the work of Vaughan Jones on the standard invariant of a II1 subfactor [http://www.math.berkeley.edu/ vfr/plnalg1.ps] . They also provide an appropriate algebraic framework for many knot… … Wikipedia
Multicategory — In mathematics (especially category theory), a multicategory is a generalization of the concept of category that allows morphisms of multiple arity. If morphisms in a category are viewed as analogous to functions, then morphisms in a… … Wikipedia
Opérade — En algèbre générale, une opérade est une structure algébrique modélisant les propriétés (associativité, commutativité et autres relations) d une algèbre. Intuitivement, les éléments d une opérade correspondent à des opérations à plusieurs entrées … Wikipédia en Français
Opérades — Opérade En algèbre générale, une opérade est une structure algébrique modélisant les propriétés (associativité, commutativité et autres relations) d une algèbre. Intuitivement, les éléments d une opérade correspondent à des opérations à plusieurs … Wikipédia en Français
List of mathematics articles (A) — NOTOC A A Beautiful Mind A Beautiful Mind (book) A Beautiful Mind (film) A Brief History of Time (film) A Course of Pure Mathematics A curious identity involving binomial coefficients A derivation of the discrete Fourier transform A equivalence A … Wikipedia
List of mathematics articles (E) — NOTOC E E₇ E (mathematical constant) E function E₈ lattice E₈ manifold E∞ operad E7½ E8 investigation tool Earley parser Early stopping Earnshaw s theorem Earth mover s distance East Journal on Approximations Eastern Arabic numerals Easton s… … Wikipedia
