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20152026
most citedFrom elliptic multiple zeta values to modular graph functions: open and closed strings at one loop

60 citations · 150 across the 11 of their papers we have counts for

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math.NT2019★ 4 cited

Genus-zero and genus-one string amplitudes and special multiple zeta values

Don Zagier, Federico Zerbini

In this paper we show that in perturbative string theory the genus-one contribution to formal 2-point amplitudes can be related to the genus-zero contribution to 4-point amplitudes…