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...group]]. One obtains this way, among others, the [[Quantum sphere|quantum sphere]] and, more generally, [[quantum Grassmannian]] and quantum flag manifolds. There is a vast amount of literature on this subject. The survey book [[#References|[a2]]] contains a rich list of references.

exists in the [[Riemann sphere|extended complex plane]] $\bar{\mathbb C}$, or otherwise the [[Cluster set| ...riot and C. Bouquet and appears in the first edition {{Cite|BB}} of their book on elliptic functions (1859), though it is missing from the second edition

...ransform into each other upon reciprocation with respect to any concentric sphere. The tetrahedron is dual to itself, the hexahedron to the octahedron and th ..."> D.O. Shklyarskii, N.N. Chentsov, I.M. Yaglom, "The USSR Olympiad book: selected problems and theorems of elementary mathematics" , Freeman (1962

...^ { k } \times D ^ { m - k }$, a tubular neighbourhood of an embedded $k$-sphere with trivial normal bundle, by a copy of $D ^ { k + 1 } \times S ^ { m - k ...rings or open book decompositions, cf. also [[Open book decomposition|Open book decomposition]]) to the construction of contact manifolds, see [[#Reference

worked in Italy as a teacher and his first book (1821) was a scientific mission of statistics was to elaborate in the social sphere what

...$a_n=(2\pi)^{-n}|S^{n-1}|/n$ (here, $|S^{n-1}|$ denotes the volume of the sphere). and in the book {{Cite|Ka}}

...and others. The landmark of this development was the first edition of the book of H. Weyl [[#References|[18]]], in which the general concept of an abstrac or, which is the same, over the [[Riemann sphere|Riemann sphere]]. The projections of the ramified elements $ ( b, S) $

mathematical statistics in Germany and within the sphere of German book may be interpreted as a twofold plea. First,

...40s in a series of papers of G. Reeb and Ch. Ehresmann, culminating in the book [[#References|[1]]] (for its history, see [[#References|[2]]]), and was con ...[[#References|[17]]]): A foliation of codimension 1 on a three-dimensional sphere has a compact leaf [[#References|[7]]] and cannot be analytic [[#References

(1st ed., 1925). The book illustrated Fisher's genius for last chapter of the book, involving the estimation of a genetic linkage

...dos (4th century B.C.). However this may be, the method is used throughout Book 12 of Euclid's Elements as the principal deductive tool. Euclid's chain of The volume of a sphere and other bodies of revolution are equally simple; however, this very simpl

In 1847, in “a little book that De Morgan himself recognized as epoch-making,” Boole undertook the f In 1854, Boole published a second book, the completion of his efforts “to incorporate logic into mathematics by