3 papers
hep-th2001
Anomalies from Immersions
Juan Ospina
Two forms of anomalies for chiral spinors living on submanifolds of the spacetime are obtained from the integrality theorem for immersions. The first form of the chiral anomaly is…
hep-th2000
y-Deformed BPS Dp- branes On a Surface In a Calabi-Yau Threefold
Juan Ospina
Using y-deformed algebraic geometric techniques the y-deformed Mukay vector of RR-charges of the y-deformed BPS Dp-branes localized on a surface in a Calabi-Yau threefold. The form…
hep-th1996
An Heterotic SUSY Version of one Non--Stable Integrability Theorem Due to K.H. Mayer
Juan F. Ospina
By using Heterotic SUSY path integral, one version and generalization of an integrability theorem due to Mayer is obtained.