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Title:SPEKTRALNA TEORIJA V HILBERTOVIH PROSTORIH
Authors:ID Ferčec, Brigita (Author)
ID Brešar, Matej (Mentor) More about this mentor... New window
Files:.pdf UNI_Fercec_Brigita_2009.pdf (397,90 KB)
MD5: 02E8F6A26D9C6B2C9E24ADC9EA37A073
PID: 20.500.12556/dkum/1d3798ec-4d49-4c07-8eb7-eaa748757e4c
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:V tem diplomskem delu je predstavljena osnovna teorija sebi-adjungiranih omejenih linearnih operatorjev na Hilbertovem prostoru. V začetnem delu so zajeti predvsem pojmi in izreki povezani z normiranimi, metričnimi in Banachovimi prostori. Nato so predstavljeni prostori s skalarnim produktom oz. Hilbertovi prostori, na katerih je več poudarka. Opisani so pojmi, povezani z ortogonalnostjo in vpeljani so adjungirani operatorji. Kasneje so obravnavani sebi-adjungirani omejeni linearni operatorji na Hilbertovih prostorih kot posebej pomembni operatorji na tem področju. Navedene so različne vrste teh operatorjev in njihove lastnosti, pomembne za dokaz glavnega izreka v zadnjem poglavju diplomskega dela. Spektralni izrek za sebi-adjungirane omejene linearne operatorje je pomembno orodje v funkcionalni analizi, s katerim lahko vprašanja o sebi-adjungiranih omejenih linearnih operatorjih reduciramo na vprašanja o ortogonalnih projektorjih. Na njih pa je pogosto lažje odgovoriti.
Keywords:Normiran prostor, Banachov prostor, Hilbertov prostor, sebi-adjungirani omejeni linearni operator, spektralni izrek.
Place of publishing:Maribor
Publisher:[B. Ferčec]
Year of publishing:2009
PID:20.500.12556/DKUM-10821 New window
UDC:51(043.2)
COBISS.SI-ID:16946184 New window
NUK URN:URN:SI:UM:DK:L9L7KG85
Publication date in DKUM:17.06.2009
Views:4782
Downloads:387
Metadata:XML DC-XML DC-RDF
Categories:FNM
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Secondary language

Language:English
Title:SPECTRAL THEORY IN HILBERT SPACES
Abstract:The theory of self-adjoint bounded linear operators on Hilbert spaces is presented. At the beginning we survey some basic facts concerning normed, metric and Banach spaces. Then we consider Hilbert spaces, i.e. Banach spaces with an inner product, which are the central topic of this diploma thesis. The notions related to orthogonality are examined, and adjoint operators are introduced. Further, the important class of self-adjoint operators is studied in greater detail. Some special subclasses are considered, and several theorems needed for the proof of the spectral theorem in the last section are established. The spectral theorem for self-adjoint operators is an important tool in functional analysis. It reduces certain questions on such operators to similar questions on projections, which are considerably easier to handle.
Keywords:Normed space, Banach space, Hilbert space, self-adjoint bounded linear operator. spectral theorem.


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