Abstract
In this chapter we generalize the basic results of Euclidean geometry presented in Chapter 10 to vector spaces over the complex numbers. Such a generalization is inevitable, and not simply a luxury. For example, linear maps may not have real eigenvalues, but they always have complex eigenvalues. Furthermore, some very important classes of linear maps can be diagonalized if they are extended to the complexification of a real vector space. This is the case for orthogonal matrices, and, more generally, normal matrices. Also, complex vector spaces are often the natural framework in physics or engineering, and they are more convenient for dealing with Fourier series. However, some complications arise due to complex conjugation.
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© 2001 Springer Science+Business Media New York
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Gallier, J. (2001). Basics of Hermitian Geometry. In: Geometric Methods and Applications. Texts in Applied Mathematics, vol 38. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-0137-0_10
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DOI: https://doi.org/10.1007/978-1-4613-0137-0_10
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4612-6509-2
Online ISBN: 978-1-4613-0137-0
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