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linear maps preservinginvertibility or spectral radius on some c*-algebras
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نویسنده
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golfarshchi fatemeh ,khalilzadeh ali asghar
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منبع
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sahand communications in mathematical analysis - 2018 - دوره : 11 - شماره : 1 - صفحه:91 -97
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چکیده
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Let a be a unital c* -algebra which has a faithful state. if φ : a → a is a unital linear map which is bijective and invertibility preserving or surjective and spectral radius preserving, then φ is a jordan isomorphism. also, we discuss other types of linear preserver maps on a.
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کلیدواژه
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c*-algebra ,hilbert c*-module ,invertibility preserving ,spectral radius preserving ,jordan isomorphism
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آدرس
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tabrizislamic art university, department of multimedia, ایران, sahand university of technology, department of mathematics, ایران
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پست الکترونیکی
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khalilzadeh@sut.ac.ir
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Authors
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