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A gerbe on a topological space: 318 is a stack of groupoids over that is locally non-empty (each point has an open neighbourhood over which the section category of the gerbe is not empty) and transitive (for any two objects and of () for any open set , there is an open covering = {} of such that the restrictions of and to each are connected by ...
The Gerber format is an open, ASCII, vector format for printed circuit board (PCB) designs. It is the de facto standard used by PCB industry software to describe the printed circuit board images: copper layers, solder mask, legend, drill data, etc. The standard file extension is .GBR or .gbr though other extensions like .GB, .geb or .gerber are also used.
Goodman relation. Within the branch of materials science known as material failure theory, the Goodman relation (also called a Goodman diagram, a Goodman-Haigh diagram, a Haigh diagram or a Haigh-Soderberg diagram) is an equation used to quantify the interaction of mean and alternating stresses on the fatigue life of a material. [1]
Gerber is a contract bridge convention devised by William Konigsberger and Win Nye from Switzerland [1] who published it in 1936; John Gerber of Texas introduced it to North America in 1938 where it was named after him. [2] [3] It is similar to Blackwood but uses 4 ♣ instead of 4NT as a relay (asking) bid to inquire about the number of aces ...
Grebe. Grebes ( / ˈɡriːbz /) are aquatic diving birds in the order Podicipediformes ( / ˌpɒdɪsɪˈpɛdɪfɔːrmiːz / ). [1] Grebes are widely distributed freshwater birds, with some species also found in marine habitats during migration and winter. Most grebes fly, although some flightless species exist, most notably in stable lakes.
Le bonheur de vivre ( The Joy of Life) is a painting by Henri Matisse. Along with Picasso 's Les Demoiselles d'Avignon, Le bonheur de vivre is regarded as one of the pillars of early modernism. [1] The monumental canvas was first exhibited at the Salon des Indépendants of 1906, where its cadmium colors and spatial distortions caused a public ...
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Pseudo-Geber (or " Latin pseudo-Geber") is the presumed author or group of authors responsible for a corpus of pseudepigraphic alchemical writings dating to the late 13th and early 14th centuries. These writings were falsely attributed to Jabir ibn Hayyan (died c. 806– 816, latinized as Geber), [1] an early alchemist of the Islamic Golden Age .