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Polystable Parabolic Principal G-Bundles and Hermitian-Einstein Connections

Published online by Cambridge University Press:  20 November 2018

Indranil Biswas
Affiliation:
School of Mathematics, Tata Institute of Fundamental Research, Homi Bhabha Road, Bombay 400005, India e-mail: indranil@math.tifr.res.in
Arijit Dey
Affiliation:
Department of Mathematics, Indian Institute of Technology, Madras, I.I.T. Post Office, Chennai-60036, India e-mail: arijitdey@gmail.com
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Abstract

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We show that there is a bijective correspondence between the polystable parabolic principal $G$-bundles and solutions of the Hermitian-Einstein equation.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 2013

References

[1] Anchouche, B. and Biswas, I., Einstein-Hermitian connections on polystable principal bundles over a compact K¨ahler manifold. Amer. J. Math. 123 (2001), no. 2, 207228. http://dx.doi.org/10.1353/ajm.2001.0007 Google Scholar
[2] Balaji, V., Biswas, I., and Nagaraj, D. S., Principal bundles over projective manifolds with parabolic structure over a divisor. Tohoku Math. J. 53 (2001), no. 3, 337367. http://dx.doi.org/10.2748/tmj/1178207416 Google Scholar
[3] Balaji, V., Biswas, I., and Nagaraj, D. S., Ramified G-bundles as parabolic bundles. J. Ramanujan Math. Soc. 18 (2003), no. 2, 123138.Google Scholar
[4] Bando, S. and Siu, Y.-T., Stable sheaves and Einstein-Hermitian metrics. In: Geometry and Analysis on Complex Manifolds.World Sci. Publishing, River Edge, NJ, 1994, pp. 3950.Google Scholar
[5] Biquard, O., Sur les fibrés paraboliques sur une surface complexe. J. Lond. Math. Soc. 53 (1996), no. 2, 302316.Google Scholar
[6] Biswas, I., Parabolic bundles as orbifold bundles. Duke Math. J. 88 (1997), no. 2, 305325. http://dx.doi.org/10.1215/S0012-7094-97-08812-8 Google Scholar
[7] Biswas, I., On the principal bundles with parabolic structure. J. Math. Kyoto Univ. 43 (2003), no. 2, 305332.Google Scholar
[8] Biswas, I., Connections on a parabolic principal bundle over a curve. Canad. J. Math. 58 (2006), no. 2, 262281. http://dx.doi.org/10.4153/CJM-2006-011-4 Google Scholar
[9] Biswas, I., Connections on a parabolic principal bundle. II. Canad. Math. Bull. 52 (2009), no. 2, 175185. http://dx.doi.org/10.4153/CMB-2009-020-2 Google Scholar
[10] Li, J., Hermitian-Einstein metrics and Chern number inequalities on parabolic stable bundles over Kähler manifolds. Comm. Anal. Geom. 8 (2000), no. 3, 445475.Google Scholar
[11] Maruyama, M. and Yokogawa, K., Moduli of parabolic stable sheaves. Math. Ann. 293 (1992), no. 1, 7799. http://dx.doi.org/10.1007/BF01444704 Google Scholar
[12] Nori, M. V., On the representations of the fundamental group. Compositio Math. 33 (1976), no. 1, 2941.Google Scholar
[13] Nori, M. V., The fundamental group-scheme. Proc. Indian Acad. Sci. Math. Sci. 91 (1982), no. 2, 73122. http://dx.doi.org/10.1007/BF02967978 Google Scholar
[14] Seshadri, C. S., Moduli of vector bundles on curves with parabolic structures. Bull. Amer. Math. Soc. 83 (1977), no. 1, 124126. http://dx.doi.org/10.1090/S0002-9904-1977-14210-9 Google Scholar