Approximations of strongly singular couplings at quantum graph vertices
Duration: 49 mins 50 secs
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| Description: |
Turek, O (Czech Technical)
Friday 13 April 2007, 15:30-16:30 Graph Models of Mesoscopic Systems, Wave-Guides and Nano-Structures |
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| Created: | 2008-05-20 14:20 | ||
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| Collection: | Analysis on Graphs and its Applications | ||
| Publisher: | Isaac Newton Institute | ||
| Copyright: | Turek, O | ||
| Language: | eng (English) | ||
| Distribution: |
World
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| Explicit content: | No | ||
| Aspect Ratio: | 4:3 | ||
| Screencast: | No | ||
| Bumper: | UCS Default | ||
| Trailer: | UCS Default | ||
| Abstract: | Approximation of a general strongly singular coupling in the center of a star graph by means of a delta-coupling and delta-interactions will be presented. We will (i) formulate necessary conditions under which the approximation is possible; (ii) show a way how to realize such approximation; (iii) explain its character: we will demonstrate that the coupling is approximated in the norm-resolvent sense. |
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