- References
- See also
In mathematics, a mapping 
from a complex vector space to another is said to be antilinear (or conjugate-linear) if
for all 
and all 
, where 
and 
are the complex conjugates of 
and 
respectively. The composition of two antilinear maps is complex-linear. The class of semilinear maps generalizes the class of antilinear maps.
An antilinear map may be equivalently described in terms of the linear map 
from 
to the complex conjugate vector space 
.
Antilinear maps occur in quantum mechanics in the study of time reversal and in spinor calculus, where it is customary to replace the bars over the basis vectors and the components of geometric objects by dots put above the indices.
References
- Horn and Johnson, Matrix Analysis, Cambridge University Press, 1985. {{isbn|0-521-38632-2}}. (antilinear maps are discussed in section 4.6).
- Budinich, P. and Trautman, A. The Spinorial Chessboard. Springer-Verlag, 1988. {{isbn|0-387-19078-3}}. (antilinear maps are discussed in section 3.3).
See also
- Linear map
- Complex conjugate
- Sesquilinear form
- Matrix consimilarity
- Time reversal
2 : Functions and mappings|Linear algebra
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