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What (who) is inverse image - definition
Inverse image functor
FUNCTOR BETWEEN CATEGORIES OF ABELIAN-GROUP-VALUED SHEAVES INDUCED BY A CONTINUOUS MAP BETWEEN TOPOLOGICAL SPACES; SHEAFIFICATION OF THE PRESHEAF ASSOCIATING TO AN OPEN SET U THE INDUCTIVE LIMIT OF THE GROUPS ASSOCIATED TO OPEN SUPERSETS OF U’S IMAGE
Inverse image sheaf
In mathematics, specifically in algebraic topology and algebraic geometry, an inverse image functor is a contravariant construction of sheaves; here “contravariant” in the sense given a map f : X \to Y, the inverse image functor is a functor from the category of sheaves on Y to the category of sheaves on X. The direct image functor is the primary operation on sheaves, with the simplest definition.
Inverse floating rate note
TYPE OF DEBT INSTRUMENT
Inverse floater
An inverse floating rate note, or simply an inverse floater, is a type of bond or other type of debt instrument used in finance whose coupon rate has an inverse relationship to short-term interest rates (or its reference rate). With an inverse floater, as interest rates rise the coupon rate falls.
Exceptional inverse image functor
In mathematics, more specifically sheaf theory, a branch of topology and algebraic geometry, the exceptional inverse image functor is the fourth and most sophisticated in a series of image functors for sheaves. It is needed to express Verdier duality in its most general form.
