virtual genus
Смотреть что такое "virtual genus" в других словарях:
Virtual knot — In knot theory, a virtual knot is a generalization of the classical idea of knots in several ways which are all equivalent.*In the theory of classical knots, knots can be considered equivalence classes of knot diagrams under the Reidemeister… … Wikipedia
virtual tautonymy — the nearly identical spelling, or same origin or meaning, in nomenclature, of a generic or subgeneric name and the species or subspecies name in a binomen or trinomen originally included in the genus (not a term regulated by the Internatio … Dictionary of ichthyology
type by virtual tautonomy — An original species of a genus that has a specific or subspecific name, either as a valid name or a synonym, is virtually the same as the generic name, or of the same origin or meaning. ICZN … Dictionary of invertebrate zoology
Riemann–Roch theorem for surfaces — In mathematics, the Riemann–Roch theorem for surfaces describes the dimension of linear systems on an algebraic surface. The classical form of it was first given by Castelnuovo (1896, 1897), after preliminary versions of it were found by… … Wikipedia
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… … Universalium
Bowerbird — Taxobox name = Bowerbirds image caption = Male Satin Bowerbird Ptilonorhynchus violaceus image width = 250px regnum = Animalia phylum = Chordata classis = Aves ordo = Passeriformes subordo = Passeri familia = Ptilonorhynchidae familia authority … Wikipedia
Yeast — of the species Saccharomyces cerevisiae Scientific classification Domain … Wikipedia
India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
Walliserops — Taxobox name = Walliserops fossil range = Devonian image caption = W. trifurcatus status=Fossil regnum = Animalia phylum = Arthropoda classis = Trilobita ordo = Phacopida familia = Acastidae genus = Walliserops type species = W. trifurcatus type… … Wikipedia
Aquarium — An aquarium (plural aquariums or aquaria ) is a vivarium consisting of at least one transparent side in which water dwelling plants or animals are kept. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, marine mammals, and aquatic… … Wikipedia
