Expansion by Regions: An Overview - INSPIRE

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Expansion by Regions: An Overview

Vladimir A. Smirnov
(
- SINP, Moscow
)

2021

13 pages

Contribution to:

Antidifferentiation and the Calculation of Feynman Amplitudes

Published: 2021

e-Print:

2406.11475 [hep-th]

DOI:

10.1007/978-3-030-80219-6_18

View in:

ADS Abstract Service

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Abstract: (Springer)

A short review of expansion by regions is presented. It is a well-known strategy to obtain an expansion of a given multiloop Feynman integral in a given limit where some kinematic invariants and/or masses have certain scaling measured in powers of a given small parameter. Prescriptions of this strategy are formulated in a simple geometrical language and are illustrated through simple examples.

Note:

13 pages, 3 figures, published in "Anti-Differentiation and the Calculation of Feynman Amplitudes", ed. J. Blümlein and C. Schneider, Springer 2021, doi:10.1007/978-3-030-80219-6. arXiv admin note: text overlap with arXiv:1809.04325

References(19)

Figures(3)

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(
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)
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(
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)
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(
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)

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•
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•
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