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Lax pairs and Fourier analysis: the case of sine-Gordon and Klein-Gordon equationsSaksida, PavleV članku konstruiramo nov Laxov par za Klein-Gordonovo enačbo. Strukturna algebra tega Laxovega para je algebra ▫$\mathcal{TA}_2$▫ zgornje trikotnih Toeplitzevih matrik, ki imajo bloke v algebri ... ▫$\mathfrak{su}(2)$▫. Pri primernem izboru vrednosti spektralnega parametra dobimo enostavne izraze za ohranitvene količine, ki jih porodi holonomija prostorskega dela Laxovega para. Ohranitvene količine izrazimo s Fourierovimi podatki enačbe. Integrale Klein-Gordonove enačbe nato primerjamo z ustreznimi integrali sinus-Gordonove enačbe.Source: Quantum theory and symmetries : proceedings (012109 (10 str.))Type of material - conference contributionPublish date - 2012Language - englishCOBISS.SI-ID - 16406105
Author
Saksida, Pavle
Topics
matematična fizika |
Fourierova analiza |
integrabilni sistemi |
parcialne diferencialne enačbe |
pogoj ničelne ukrivljenosti |
sinus Gordonova enačba |
Klein-Gordonova enačba |
mathematical physics |
Fourier analysis |
integrable systems |
partial differential equations |
zero-curvature condition |
sine-Gordon equation |
Klein-Gordon equation
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