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hep-th2000★ 100 cited
Two-dimensional gravitational anomalies, Schwinger terms and dispersion relations
R. A. Bertlmann, E. Kohlprath
We are dealing with two-dimensional gravitational anomalies, specifically with the Einstein anomaly and the Weyl anomaly, and we show that they are fully determined by dispersion r…
hep-th2000★ 3 cited
Schwinger terms in two-dimensional gravitation and Kallen's method
R. A. Bertlmann, E. Kohlprath
We evaluate the gravitational Schwinger terms for the specific two-dimensional model of Weyl fermions in a gravitational background field using a technique introduced by Kallen and…