02 US Dollar) Duration: 180 months The proposal is that 20 young mathematicians be financed to attend two meetings in June 2001 on the Calculus of Functors, in association with the Network HPRN-CT-1999-00119.

# What does **F** stand for?

**F** stands for Functor (abstract algebra)

This definition appears very rarely and is found in the following Acronym Finder categories:

- Science, medicine, engineering, etc.

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## Samples in periodicals archive:

of Oregon) and Shchigolev combine the crystal graph and Schur functor approaches to obtain new branching results for projective representations of symmetric groups.

[14] A covariant functor from a category C to a category D consists of two maps (denoted by the same letter), a map F : Ob(C) [member of] Ob(D), and for any A, B [member of] Ob(C) a map F : H(A, B) [member of] H(F(A), F(B)), satisfying the conditions: F([1.

Furthermore, d-POSL maintains all the critical components of POSL, extending the language with elements that are essential in defeasible logics: * Rule Type: Binary infix functors are introduced (":-", ":=",":-") to denote the rule type ("strict", "defeasible", "defeater", respectively).

Other topics of the 17 papers include nonself-adjoint operator algebras for dynamical systems, noncommutative geometry as a functor, examples of mases in C*-algebras, simple group graded rings, and classifying monotone complete algebras of operators.

Properties of direct image functor and inverse image functor are studied here in this paper, like coherence and exactness.

A constituent is defined as a compound term of arity 1 with the constituent category as principal functor.

The construction of this abelization is expressed in terms of category theory and as in the classical case of abelian groups it creates a functor called reflector.