Hilbertin avaruudet

Tämän tutkielman tarkoituksena on tutustuttaa lukija Hilbertin avaruuksiin ja niiden hyödyllisyyteen ääretönulotteisen vektoriavaruuden tarkastelussa. Äärellisulotteisesta lineaarialgebrasta tuttu tulos, projektiolause, yleistetään tutkielmassa ääretönulotteiseen tilanteeseen. Hilbertin avaruuksien...

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Main Author: Virtanen, Ida
Other Authors: Matemaattis-luonnontieteellinen tiedekunta, Faculty of Sciences, Matematiikan ja tilastotieteen laitos, Department of Mathematics and Statistics, Jyväskylän yliopisto, University of Jyväskylä
Format: Master's thesis
Language:fin
Published: 2021
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/77357
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author Virtanen, Ida
author2 Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Matematiikan ja tilastotieteen laitos Department of Mathematics and Statistics Jyväskylän yliopisto University of Jyväskylä
author_facet Virtanen, Ida Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Matematiikan ja tilastotieteen laitos Department of Mathematics and Statistics Jyväskylän yliopisto University of Jyväskylä Virtanen, Ida Matemaattis-luonnontieteellinen tiedekunta Faculty of Sciences Matematiikan ja tilastotieteen laitos Department of Mathematics and Statistics Jyväskylän yliopisto University of Jyväskylä
author_sort Virtanen, Ida
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description Tämän tutkielman tarkoituksena on tutustuttaa lukija Hilbertin avaruuksiin ja niiden hyödyllisyyteen ääretönulotteisen vektoriavaruuden tarkastelussa. Äärellisulotteisesta lineaarialgebrasta tuttu tulos, projektiolause, yleistetään tutkielmassa ääretönulotteiseen tilanteeseen. Hilbertin avaruuksien hyödyllisyys tulee esiin, kun huomataan, että projektiolause yleistuu ääretönulotteisessa tilanteessa vain täydellisille sisätuloavaruuksille eli Hilbertin avaruuksille. Projektiolauseen avulla päästään tutustumaan Hilbertin kannan ominaisuuksiin. Zornin lemman avulla osoitetaan, että jokaisella Hilbertin avaruudella on olemassa ortonormaali kanta.
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spellingShingle Virtanen, Ida Hilbertin avaruudet Matematiikan opettajankoulutus Teacher education programme in Mathematics 4041 Hilbertin avaruudet matematiikka
title Hilbertin avaruudet
title_full Hilbertin avaruudet
title_fullStr Hilbertin avaruudet Hilbertin avaruudet
title_full_unstemmed Hilbertin avaruudet Hilbertin avaruudet
title_short Hilbertin avaruudet
title_sort hilbertin avaruudet
title_txtP Hilbertin avaruudet
topic Matematiikan opettajankoulutus Teacher education programme in Mathematics 4041 Hilbertin avaruudet matematiikka
topic_facet 4041 Hilbertin avaruudet Matematiikan opettajankoulutus Teacher education programme in Mathematics matematiikka
url https://jyx.jyu.fi/handle/123456789/77357 http://www.urn.fi/URN:NBN:fi:jyu-202108124523
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