disjoint disks
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Seifert surface — In mathematics, a Seifert surface is a surface whose boundary is a given knot or link. Such surfaces can be used to study the properties of the associated knot or link. For example, many knot invariants are most easily calculated using a Seifert… … Wikipedia
Cobordism — A cobordism (W;M,N). In mathematics, cobordism is a fundamental equivalence relation on the class of compact manifolds of the same dimension, set up using the concept of the boundary of a manifold. Two manifolds are cobordant if their disjoint… … Wikipedia
Normal space — Separation Axioms in Topological Spaces Kolmogorov (T0) version T0 | T1 | T2 | T2½ | completely T2 T3 | T3½ | T4 | T5 | T6 In topology and related branches of mathematics, a no … Wikipedia
IBM General Parallel File System — Infobox Software name = IBM GPFS caption = developer = IBM latest release version = 3.2.1 6 latest release date = September 2008 operating system = AIX / Linux / Microsoft Windows Server 2003 R2 genre = filesystem license = Proprietary website =… … Wikipedia
Durand-Kerner method — In numerical analysis, the Durand ndash;Kerner method (established 1960 ndash;66) or method of Weierstrass (established 1859 ndash;91) is a root finding algorithm for solving polynomial equations. In other words, the method can be used to solve… … Wikipedia
Durand–Kerner method — In numerical analysis, the Durand–Kerner method established 1960–66 and named after E. Durand and Immo Kerner, also called the method of Weierstrass, established 1859–91 and named after Karl Weierstrass, is a root finding algorithm for… … Wikipedia
Connected space — For other uses, see Connection (disambiguation). Connected and disconnected subspaces of R² The green space A at top is simply connected whereas the blue space B below is not connected … Wikipedia
Handle decomposition — In mathematics, a handle decomposition of an n manifold M is a representation of that manifold as an exhaustion:M 0 subset M 1 subset dots subset Mwhere each M i is obtained from M {i 1}by attaching a n i handle. Handle decompositions are never… … Wikipedia
Operad theory — is a field of abstract algebra concerned with prototypical algebras that model properties such as commutativity or anticommutativity as well as various amounts of associativity. Operads generalize the various associativity properties already… … Wikipedia
Common-cause and special-cause — Type of variation Synonyms Common cause Chance cause Non assignable cause Noise Natural pattern Special cause Assignable cause Signal Unnatural pattern Common and special causes are the two distinct origins of variation in a process, as defined… … Wikipedia
Replication (computer science) — Replication is the process of sharing information so as to ensure consistency between redundant resources, such as software or hardware components, to improve reliability, fault tolerance, or accessibility. It could be data replication if the… … Wikipedia
