Duality for simple -categories and disks.
Duality for some free modes
The paper establishes a duality between a category of free subreducts of affine spaces and a corresponding category of generalized hypercubes with constants. This duality yields many others, in particular a duality between the category of (finitely generated) free barycentric algebras (simplices of real affine spaces) and a corresponding category of hypercubes with constants.
Duality of Banach spaces
Duality of vector spaces
Duality Theorems for Algebras in Convenient Categories.
Duality, uniqueness of topology and automatic continuity of *-homomorphisms in bornological locally C*-algebras
Dualization in algebraic K-theory and the invariant e¹ of quadratic forms over schemes
In the classical Witt theory over a field F, the study of quadratic forms begins with two simple invariants: the dimension of a form modulo 2, called the dimension index and denoted e⁰: W(F) → ℤ/2, and the discriminant e¹ with values in k₁(F) = F*/F*², which behaves well on the fundamental ideal I(F)= ker(e⁰). Here a more sophisticated situation is considered, of quadratic forms over a scheme and, more generally, over an exact category with duality. Our purposes are: ...
Dyhendral Hyperhomology Of A Chain Algebra With Involution
-rings and differential polynomials over universal fields
Each concrete category has a representation by paracompact topological spaces
EDZ-varieties: The Schreier property and epimorphisms onto
Effective chain complexes for twisted products
In the paper weak sufficient conditions for the reduction of the chain complex of a twisted cartesian product to a chain complex of free finitely generated abelian groups are found.
Effective taxonomies and crossed taxonomies
Ein Permanenzprinzip für vektorwertige Distributionen.
Ein Verfahren zur Ableitung der OD-Gruppoid-Familien von Brandtschen OD-Gruppoiden
Eine Äquivalenzrelation in der Kategorie der Phasenfunktionen
Eine axiomatische Mengenlehre mit größtem Universum und Hyperklassen.
Eine Bemerkung über ausgezeichnete Kongruenzrelationen der Brandtschen Gruppoiden
Eine Einbettung der Kategorie der Montelräume in eine Kategorie mit Dualität und guten Permanenzeigenschaften.
Eine Erweiterung der NGB-Mengenlehre als Grundlage der Kategorientheorie