an Ore extension, named after Øystein Ore, is a special type of a ring extension whose properties are relatively well understood. Elements of a Ore extension...

(algebra) Ore algebra Ore condition Ore's conjecture Ore extension Ore number Ore's theorem Schwartz–Zippel lemma Universal algebra "Øystein Ore". Mathematics...

In computer algebra, an Ore algebra is a special kind of iterated Ore extension that can be used to represent linear functional operators, including linear...

Uranium ore deposits are economically recoverable concentrations of uranium within Earth's crust. Uranium is one of the most common elements in Earth's...

is also a noncommutative example of a domain, and an example of an Ore extension. The Weyl algebra arises naturally in the context of quantum mechanics...

The Ore Mountains (German: Erzgebirge, pronounced [ˈeːɐtsɡəˌbɪʁɡə] or [ˈɛʁts-] ; Czech: Krušné hory) lie along the Czech–German border, separating the...

the sum of n copies of 1 equals 0. Integral extension Group extension Algebraic extension Ore extension In general, not all subsets of a ring R are rings...

Jumbo, Mother Lode, Erie and Glacier. Glacier, which is really an ore extension of the Bonanza, was an open-pit mine and was only mined during the summer...

breccias are classic targets for ore exploration as there is plenty of fluid flow and open space to deposit ore minerals. Ores related to hydrothermal mineralisation...

The Lockheed P-3 Orion is a four-engined, turboprop anti-submarine and maritime surveillance aircraft developed for the United States Navy and introduced...

ordering on the noncommutative monomials. If R is a domain and S is an Ore extension of R then S is a domain. The Weyl algebra is a noncommutative domain...

distinguished lateritic bauxites (silicate bauxites) from karst bauxite ores (carbonate bauxites): The carbonate bauxites occur predominantly in Europe...

Schmiedeberg is a village and a former municipality in the Sächsische Schweiz-Osterzgebirge district, in Saxony, Germany. It is situated in the valley...

demand from Asian steel mills for its iron ore with low levels of impurities, it was granted an extension, albeit with a reduced output. Operations at...

Sauberg is a mountain of Saxony, southeastern Germany. 50°27′28″N 12°46′08″E / 50.45778°N 12.76889°E / 50.45778; 12.76889 v t e...

Unsourced material may be challenged and removed. Find sources: "Scheibenberg" Ore Mountains – news · newspapers · books · scholar · JSTOR (December 2023) (Learn...

fifty-kilometre extension to the existing Port Hedland to Cloudbreak rail line was completed to transport the ore to Cloudbreak. The first ore-processing facility...

Ore City is a city in Upshur County, Texas, United States. Located where US 259 and FM 450 converge, just four miles below the Lake O’ the Pines. The...

has been part of the municipality of Rechenberg-Bienenmühle in the Eastern Ore Mountains since 1994. Holzhau is the terminus of the Freiberg Railway, that...

Unsourced material may be challenged and removed. Find sources: "Riesenberg" Ore Mountains – news · newspapers · books · scholar · JSTOR (February 2016) (Learn...

deposit of iron ore on the Atach mountain on the left bank of the Yaik river. The Bashkirs called the mountain "Atach" (in Bashkir Әtәs); its ore had been in...

nearest 5-öre. 1984: 5- and 25-öre phased out; change rounded to nearest 10-öre. 1991: 10-öre phased out; change rounded to nearest 50-öre. 2010: 50-öre phased...

Orion's Arm (also called the Orion's Arm Universe Project, OAUP, or simply OA) is a multi-authored online hard science fiction world-building project,...

districts of the state nowadays called Mecklenburg-Vorpommern. The Erzgebirge Ore Mountains contained the GDR's highest point, Fichtelberg (1,214 metres (3...

town of Siilinjärvi, located approximately 5 km west of the southern extension of the complex. Siilinjärvi is the second largest carbonatite complex...

Unsourced material may be challenged and removed. Find sources: "Rabenberg" Ore Mountains – news · newspapers · books · scholar · JSTOR (February 2016) (Learn...

Various theories of ore genesis explain how the various types of mineral deposits form within Earth's crust. Ore-genesis theories vary depending on the...

Unsourced material may be challenged and removed. Find sources: "Eisenstein" Ore Mountains – news · newspapers · books · scholar · JSTOR (February 2016) (Learn...

Auerbach (German: [ˈaʊɐbax] ) is a municipality in the district Erzgebirgskreis, in Saxony, Germany. Auerbach has an area of 8.26 km² and a population...

William A. Clark, extracted ore bearing copper, gold, silver, and other metals from the larger of the two. The United Verde Extension UVX Mine, owned by James...