Involutions and semiinvolutions
Czechoslovak Mathematical Journal, Tome 56 (2006) no. 2, pp. 533-541.

Voir la notice de l'article dans Czech Digital Mathematics Library

We define a linear map called a semiinvolution as a generalization of an involution, and show that any nilpotent linear endomorphism is a product of an involution and a semiinvolution. We also give a new proof for Djocović’s theorem on a product of two involutions.
Classification : 15A04, 15A23, 15A33
Mots-clés : classical groups; vector spaces and linear maps; involutions; factorization of a linear map into a product of simple ones 
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     author = {Ishibashi, Hiroyuki},
     title = {Involutions and semiinvolutions},
     journal = {Czechoslovak Mathematical Journal},
     pages = {533--541},
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     volume = {56},
     number = {2},
     year = {2006},
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     zbl = {1164.15302},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a18/}
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Ishibashi, Hiroyuki. Involutions and semiinvolutions. Czechoslovak Mathematical Journal, Tome 56 (2006) no. 2, pp. 533-541. https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a18/