involution on a line
81Symmetry in mathematics — For other uses, see Symmetry (disambiguation) and Bilateral (disambiguation). Symmetry occurs not only in geometry, but also in other branches of mathematics. It is actually the same as invariance: the property that something does not change… …
82Enriques surface — In mathematics, an Enriques surface is an algebraic surfacesuch that the irregularity q = 0 and the canonical line bundle is non trivial but has trivial square. Enriques surfaces are all algebraic (and therefore Kähler) and are elliptic surfaces… …
83Savitri (book) — Savitri: A Legend and a Symbol is a 24,000 verse poem by Sri Aurobindo about an individual who overcomes the Ignorance, suffering, and death in the world through her spiritual quest, setting the stage for the emergence of a new, Divine life on… …
84Charles Sanders Peirce bibliography — C. S. Peirce articles  General:    Charles Sanders Peirce Charles Sanders Peirce bibliography Philosophical:    Categories (Peirce) Semiotic elements and   classes of signs (Peirce) Pragmatic maxim • Pragmaticism… …
85List of intelligent dance music artists — This is a list of artists in the intelligent dance music (IDM) genre. !–9 * : [NIGHTWALK] : * μ ziq * 5pot * 7 pin dinner A *aDuck * AFX * Alec Empire * Ambidextrous * Amon Tobin * Anhedonia * Aphex Twin * Apparat * Apparat Organ Quartet *… …
86List of algebraic structures — In universal algebra, a branch of pure mathematics, an algebraic structure is a variety or quasivariety. Abstract algebra is primarily the study of algebraic structures and their properties. Some axiomatic formal systems that are neither… …
87Michael Betancourt — Born 1971 (1971) New Jersey, USA Nationality United States …
88Dhuni (Meher Baba) — This article is about the Dhuni ritual devised by Meher Baba. For the Hindu ritual, see Dhuni. Meher Baba lighting his Dhuni in the 1940s …
89Doppelfakultät — Die Fakultät (manchmal, besonders in Österreich, auch Faktorielle genannt) ist in der Mathematik eine Funktion, die einer natürlichen Zahl das Produkt aller natürlichen Zahlen kleiner oder gleich dieser Zahl zuordnet. Sie wird durch ein dem… …
90Fakultätsfunktion — Die Fakultät (manchmal, besonders in Österreich, auch Faktorielle genannt) ist in der Mathematik eine Funktion, die einer natürlichen Zahl das Produkt aller natürlichen Zahlen kleiner oder gleich dieser Zahl zuordnet. Sie wird durch ein dem… …
