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Open string diagrams I: Topological type

Year: 1993

Type: article

Abstract: An arbitrary Feynman graph for string field theory interactions is analyzed and the homeomorphism type of the corresponding world sheet surface is completely determined even in the nonorientable cases. Algorithms are found to mechanically compute the topological characteristics of the resulting surface from the structure of the signed oriented graph. Whitney’s permutation-theoretic coding of graphs is utilized.

Source: Journal of Mathematical Physics

DOI: 10.1063/1.530357

Authors: Subhashis Nag, Parameswaran Sankaran

Institutions: Institute of Mathematical Sciences, Indian Institute of Technology Madras

Language: English

Topic: Black Holes and Theoretical Physics

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2072747555

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Cites: 7

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