Linear transformations preserving the Gr
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LeRoy B. Beasley; Alexander E. Guterman; Sang-Gu Lee; Seok-Zun Song
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Article
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2004
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Elsevier Science
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English
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We classify linear preservers of the Grassmannian for matrices over non-negative integers, namely, linear operators that preserve the set of triples of matrices from M n (Z + ) satisfying the condition XY Z + ZY X = Y XZ + ZXY