**Extension (mathematics)** — In mathematics, the word extension has many uses. See:Analysis* Carathéodory s extension theorem * Continuous linear extension * M. Riesz extension theorem * Krein extension theorem * Hahn Banach theoremAlgebra* Abelian extension * Algebraic… … Wikipedia

**Ring Road (Regina)** — Ring Road is a 4 lane controlled access highway in Regina, Saskatchewan, Canada. It is an extension of the Trans Canada Highway that bypasses the city on the north east side. Ring Road has a speed limit of 100km/h (about 62mph) and consists of 7… … Wikipedia

**Ring Indicator** — Ring Indicator, abbreviated as RI, is a signal that exists inside an RS232 serial communications cable that goes between a computer and a modem. The signal is sent from the modem to the computer, typically over pin 9 of a nine pin (DE9) serial… … Wikipedia

**Ring Road, Delhi** — This article is about the Inner Ring Road of New Delhi. For the Outer Ring Road, see Outer Ring Road, New Delhi. Delhi features 2 ring roads, a main one and an outer one. The two ring roads have a combined length of 87 km.Delhi s Inner Ring Road… … Wikipedia

**Extension and contraction of ideals** — In commutative algebra, the extension and contraction of ideals are operations performed on sets of ideals. Extension of an ideal Let A and B be two commutative rings with unity, and let f : A → B be a (unital) ring homomorphism. If mathfrak{a}… … Wikipedia

**Extension of scalars** — In abstract algebra, extension of scalars is a means of producing a module over a ring S from a module over another ring R, given a homomorphism f : R o S between them. Intuitively, the new module admits multiplication by more scalars than the… … Wikipedia

**Ring roads of Beijing** — Beijing is one of the very few cities to possess multiple ring roads (or beltways). Among the rarest seen anywhere in a major city in the world is Beijing s 2nd Ring Road, which is extremely central to Tian anmen, the centre of Beijing.1st Ring… … Wikipedia

**Ring road** — For other uses, see Ring road (disambiguation). Inner ring road of Sheffield, England … Wikipedia

**Extension de Thébé** — Anneau gossamer L anneau gossamer (littéralement « gaze » en anglais) est un anneau de la planète Jupiter. Sommaire 1 Caractéristiques 2 Voir aussi 2.1 Liens internes 2.2 … Wikipédia en Français

**Ring belge N203a** — Route nationale 203a (Belgique) Route nationale 203 Contournement de Hal Longueur: 4,1 km Croisements, rond points et sorties … Wikipédia en Français