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Title:Avtomorfizmi trikotnih matričnih algeber
Authors:ID Lopert, Bogdan (Author)
ID Benkovič, Dominik (Mentor) More about this mentor... New window
Files:.pdf MAG_Lopert_Bogdan_2016.pdf (249,60 KB)
MD5: BE40202A5761100777CEEB563269DABF
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:V magistrskem delu so na algebri zgornje trikotnih matrik obravnavani in karakterizirani avtomorfizmi, jordanski izomorfizmi in Liejevi avtomorfizmi. V delu dokažemo,da je vsak avtomorfizem na algebri zgornje trikotnih matrik Tn(K), kjer je K komutativen kolobar z enoto, notranji. Vsak jordanski izomorfizem ki slika iz algebre Tn(K) v poljubno algebro A, je bodisi izomorfizem bodisi antiizomorfizem natanko tedaj, ko je kolobar K povezan. Vsak Liejev avtomorfizem na algebri Tn(F), kjer je F polje, se lahko zapiše kot vsota avtomorfizma in linearne preslikave, ki slika v center algebre Tn(F) in uniči komutatorje ali pa kot vsota negativnega antiavtomorfizma in linearne preslikave, ki slika v center algebre Tn(F) in uniči komutatorje.
Keywords:algebra, zgornje trikotna matrična algebra, avtomorfizem, antiavtomorfizem, jordanski avtomorfizem, Liejev avtomorfizem.
Place of publishing:Maribor
Publisher:[B. Lopert]
Year of publishing:2016
PID:20.500.12556/DKUM-64561 New window
UDC:512.55(043.2)
COBISS.SI-ID:22788104 New window
NUK URN:URN:SI:UM:DK:QNKIA7RI
Publication date in DKUM:25.11.2016
Views:1614
Downloads:185
Metadata:XML DC-XML DC-RDF
Categories:FNM
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Secondary language

Language:English
Title:Automorphisms of triangular matrix algebras
Abstract:In the master`s thesis, automorphisms, Jordan isomorphisms and Lie automorphisms of the upper triangular matrix algebra are discussed and characterized. We prove that every automorphism on the upper triangular matrix algebra Tn(K), where K is a commutative ring with unity, is an inner automorphism. Each Jordan isomorphism, which maps from algebra Tn(K) into an algebra A, is either an isomorphism or an antiisomorphism precisely when the ring K is connected. Each Lie automorphism on algebra Tn(F), where F is a field, can be written as a sum of an automorphism and linear mapping which maps into the centre of algebra Tn(F) and vanishes on all commutators of algebra Tn(F) or a sum of an negative antiautomorphism and linear mapping which maps into the centre of algebra Tn(F) and vanishes on all commutators of algebra Tn(F).
Keywords:Algebra, upper triangular matrix algebra, automorphism, antiautomorphism, Jordan automorphism, Lie automorphism.


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