Abstract
We consider the volume expansion of the Blaschke metric, which is a projectively invariant metric on a strictly convex domain in a locally flat projective manifold. When the boundary is even dimensional, we express the logarithmic coefficient L as the integral of affine invariants over the boundary. We also formulate an intrinsic geometry of the boundary as a conformal Codazzi structure and show that L gives a global conformal invariant of the boundary.
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Acknowledgements
This paper is based on part of the author’s thesis at the University of Tokyo. I would like to express my deep gratitude to my advisor Professor Kengo Hirachi for his support and encouragement throughout this work. I would also like to thank Dr. Yoshihiko Matsumoto, Professor Michael Eastwood, and Professor Bent Ørsted for invaluable comments on the results. This research was partially supported by the JSPS Fellowship and KAKENHI 13J06630.
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Marugame, T. Volume Renormalization for the Blaschke Metric on Strictly Convex Domains. J Geom Anal 28, 510–545 (2018). https://doi.org/10.1007/s12220-017-9831-2
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DOI: https://doi.org/10.1007/s12220-017-9831-2