- retractable algebra
- мат.сжимаемая алгебра
English-Russian scientific dictionary. 2008.
retractable algebra
Смотреть что такое "retractable algebra" в других словарях:
Section (category theory) — In category theory, a branch of mathematics, a section (or coretraction) is a right inverse of a morphism. Dually, a retraction (or retract) is a left inverse. In other words, if and are morphisms whose composition is the identity morphism on Y,… … Wikipedia
Ruler — For other uses, see Ruler (disambiguation). A variety of rulers A 2 meter … Wikipedia
