Abstract
We compare the minimal model of a log canonical pair with the minimal model of its reduced boundary. These results are then used to study the existence of the minimal model of a semi-log-canonical pair using its normalization.
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References
Ambro, F.: Quasi-log varieties. Tr. Mat. Inst. Steklova 240 (2003), no. Biratsion. Geom. Linein. Sist. Konechno Porozhdennye Algebry, 220–239. MR 1993751 (2004f:14027)
Ambro, F.: Basic properties of log canonical centers. In: Faber, C., van der Geer, G., Looijenga, E.J.N. (eds.) Classification of Algebraic Varieties. EMS Series of Congress Reports, pp. 39–48. European Mathematical Society, Zürich (2011). MR 2779466
Birkar, C.: On existence of log minimal models. Compos. Math. 146(4), 919–928 (2010). MR 2660678 (2011i:14033)
Birkar, C., Cascini, P., Hacon, C.D., McKernan, J.: Existence of minimal models for varieties of log general type. J. Am. Math. Soc. 23(2), 405–468 (2010)
Berndtsson, B., Păun, M.: Quantitative extensions of pluricanonical forms and closed positive currents. Nagoya Math. J. 205, 25–65 (2012)
Clemens, H., Kollár, J., Mori, S.: Higher-dimensional complex geometry. Astérisque, no. 166, 144pp. Societ́é Mathématique de France, Paris (1989). MR MR1004926 (90j:14046)
Fujino, O.: Abundance theorem for semi log canonical threefolds. Duke Math. J. 102(3), 513–532 (2000). MR 1756108 (2001c:14032)
Fujino, O.: Fundamental theorems for semi log canonical pairs. Algebr. Geom. 1(2), 194–228 (2014). MR 3238112
Fujino, O.: Foundations of the Minimal Model Program. Mathematical Society of Japan Memoirs. World Scientific, Singapore (2017)
Fujino, O., Gongyo, Y.: Log pluricanonical representations and the abundance conjecture. Compos. Math. 150(4), 593–620 (2014). MR 3200670
Gongyo, Y.: Abundance theorem for numerically trivial log canonical divisors of semi-log canonical pairs. J. Algebraic Geom. 22(3), 549–564 (2013). MR 3048544
Hacon, C.D., Xu, C.: On finiteness of B-representations and semi-log canonical abundance. In: Kollár, J., Fujino, O., Mukai, S., Nakayama, N. (eds.) Minimal Models and Extremal Rays (Kyoto, 2011). Advanced Studies in Pure Mathematics, vol. 70, pp. 361–377. Mathematical Society of Japan, Tokyo (2016). MR 3618266
Hacon, C.D., McKernan, J., Xu, C.: Boundedness of moduli of varieties of general type (2014). ArXiv e-prints
Hashizume, K.: Remarks on the abundance conjecture, Proc. Jpn. Acad. Ser. A Math. Sci. 92, 101–106 (2016)
Keel, S., Matsuki, K., McKernan, J.: Log abundance theorem for threefolds. Duke Math. J. 75(1), 99–119 (1994). MR MR1284817 (95g:14021)
Kollár, J. (ed.): Flips and Abundance for Algebraic Threefolds. Société Mathématique de France (1992). Papers from the Second Summer Seminar on Algebraic Geometry held at the University of Utah, Salt Lake City, Utah, August 1991, Astérisque No. 211 (1992)
Kollár, J. (ed.): Two examples of surfaces with normal crossing singularities. Sci. China Math. 54(8), 1707–1712 (2011). MR 2824967 (2012f:14067)
Kollár, J. (ed.): Singularities of the Minimal Model Program. Cambridge Tracts in Mathematics, vol. 200. Cambridge University Press, Cambridge (2013). With the collaboration of Sándor Kovács
Kollár, J., Mori, S.: Classification of three-dimensional flips. J. Am. Math. Soc. 5(3), 533–703 (1992). MR 1149195 (93i:14015)
Kollár, J., Mori, S.: Birational Geometry of Algebraic Varieties. Cambridge Tracts in Mathematics, vol. 134, Cambridge University Press, Cambridge (1998). With the collaboration of C. H. Clemens and A. Corti, Translated from the 1998 Japanese original
Miyanishi, M.: Projective degenerations of surfaces according to S. Tsunoda. In: Algebraic Geometry, Sendai, 1985. Advanced Studies in Pure Mathematics, vol. 10, pp. 415–447. North-Holland, Amsterdam (1987). MR 946246
Miyaoka, Y.: Abundance conjecture for 3-folds: case ν = 1. Compositio Math. 68(2), 203–220 (1988). MR MR966580 (89m:14023)
Shokurov, V.V.: Three-dimensional log perestroikas. Izv. Ross. Akad. Nauk Ser. Mat. 56(1), 105–203 (1992). MR 1162635 (93j:14012)
Acknowledgements
We thank the Simons Foundation for supporting our participation at the conference “Birational Geometry” where this work started. Partial financial support to JK was also provided by the NSF under grant number DMS-1362960.
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Ambro, F., Kollár, J. (2019). Minimal Models of Semi-log-canonical Pairs. In: Codogni, G., Dervan, R., Viviani, F. (eds) Moduli of K-stable Varieties. Springer INdAM Series, vol 31. Springer, Cham. https://doi.org/10.1007/978-3-030-13158-6_1
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