different between antisymmetric vs antisymmetrizer
antisymmetric
English
Etymology
anti- +? symmetric.
Adjective
antisymmetric (not comparable)
- (set theory, order theory, of a binary relation R on a set S) Having the property that, for any two distinct elements of S, at least one is not related to the other via R; equivalently, having the property that, for any x, y ? S, if both xRy and yRx then x=y.
- 1987, David C. Buchthal, Douglas E. Cameron, Modern Abstract Algebra, Prindle, Weber & Schmidt, page 479,
- The standard example for an antisymmetric relation is the relation less than or equal to on the real number system.
- 2006, S. C. Sharma, Metric Space, Discovery Publishing House, page 73,
- (i) The identity relation on a set A is an antisymmetric relation.
- (ii) Let R be a relation on the set N of natural numbers defined by
- x R y 'x divides y' for all x, y ? N.
- This relation is an antisymmetric relation on N.
- 1987, David C. Buchthal, Douglas E. Cameron, Modern Abstract Algebra, Prindle, Weber & Schmidt, page 479,
- (linear algebra, of certain mathematical objects) Whose sign changes on the application of a matrix transpose or some generalisation thereof:
- (of a matrix) Whose transpose equals its negative (i.e., MT = ?M);
- 1974, Robert McCredie May, Stability and Complexity in Model Ecosystems, Princeton University Press, page 193,
- The eigenvalues of an antisymmetric matrix are all purely imaginary numbers, and occur as conjugate pairs, and . As a corollary it follows that an antisymmetric matrix of odd order necessarily has one eigenvalue equal to zero; antisymmetric matrices of odd order are singular.
- 1974, Robert McCredie May, Stability and Complexity in Model Ecosystems, Princeton University Press, page 193,
- (of a tensor) That changes sign when any two indices are interchanged (e.g., Tijk = -Tjik);
- 1986, Millard F. Beatty Jr., Principles of Engineering Mechanics, Volume 1: Kinematics — The Geometry of Motion, Plenum Press, page 163,
- Notice that the tensors defined by:
- , (3.47)
- are the symmetric and antisymmetric parts, respectively; they are known as the symmetric and antisymmetric parts of T.
- 1986, Millard F. Beatty Jr., Principles of Engineering Mechanics, Volume 1: Kinematics — The Geometry of Motion, Plenum Press, page 163,
- (of a bilinear form) For which B(w,v) = -B(v,w).
- 2012, Stephanie Frank Singer, Symmetry in Mechanics: A Gentle, Modern Introduction, Springer, page 28,
- Antisymmetric bilinear forms and wedge products are defined exactly as above, only now they are functions from to . […]
- Exercise 21 Show that every antisymmetric bilinear form on is a wedge product of two covectors.
- 2012, Stephanie Frank Singer, Symmetry in Mechanics: A Gentle, Modern Introduction, Springer, page 28,
- (of a matrix) Whose transpose equals its negative (i.e., MT = ?M);
Synonyms
- (linear algebra): skew-symmetric
Related terms
- antisymmetry
- symmetric
Translations
See also
- anticommutative
- skew-symmetric
Further reading
- Antisymmetric relation on Wikipedia.Wikipedia
- Asymmetric relation on Wikipedia.Wikipedia
- Symmetric relation on Wikipedia.Wikipedia
- Antisymmetric matrix on Wikipedia.Wikipedia
- Antisymmetric tensor on Wikipedia.Wikipedia
antisymmetric From the web:
- antisymmetric what is the meaning
- what is antisymmetric relation
- what is antisymmetric matrix
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- what does antisymmetric relations mean
- what is antisymmetric relation in discrete mathematics
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antisymmetrizer
English
Alternative forms
- antisymmetriser (non-Oxford British spelling)
Etymology
antisymmetrize +? -er
Noun
antisymmetrizer (plural antisymmetrizers)
- (mathematics, physics) A linear operator that makes a wave function of N identical fermions antisymmetric under the exchange of the coordinates of any pair of fermions.
Translations
antisymmetrizer From the web:
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