Abstract
We study some basic properties and examples of Hermitian metrics on complex manifolds whose traces of the curvature of the Chern connection are proportional to the metric itself.
Similar content being viewed by others
References
Alekseevsky, D., Cortés, V., Hasegawa, K., Kamishima, Y.: Homogeneous locally conformally Kähler and Sasaki manifolds. Internat. J. Math. 26(6), 29 (2015)
Alekseevsky, D.V., Podestà, F.: Homogeneous almost Kähler manifolds and the Chern-Einstein equation arXiv:1811.04068
Angella, D., Calamai, S., Spotti, C.: On the Chern–Yamabe problem. Math. Res. Lett. 24(3), 645–677 (2017)
Balas, A.: Compact Hermitian manifolds of constant holomorphic sectional curvature. Math. Z. 189(2), 193–210 (1985)
Bogomolov, F.A.: Unstable vector bundles and curves on surfaces, Proceedings of the International Congress of Mathematicians (Helsinki, 1978), pp. 517–524, Acad. Sci. Fennica, Helsinki (1980)
Boothby, W.M.: Hermitian manifolds with zero curvature. Michigan Math. J. 5(2), 229–233 (1958)
Calamai, S.: Positive projectively flat manifolds are locally conformally flat-Kähler Hopf manifolds, arXiv:1711.00929
Catenacci, R., Marzuoli, A.: A note on a Hermitian analog of Einstein spaces. Ann. Inst. Henri Poincaré, Phys. Théor. 40, 151–157 (1984)
Chen, Xx, Lebrun, C., Weber, B.: On conformally Kähler, Einstein manifolds. J. Am. Math. Soc. 21(4), 1137–1168 (2008)
Della Vedova, A.: Special homogeneous almost complex structures on symplectic manifolds. arXiv:1706.06401
Della Vedova, A., Gatti, A.: Almost Kaehler geometry of adjoint orbits of semisimple Lie groups. arXiv:1811.06958
Drăghici, T.: Symplectic obstructions to the existence of \(\omega \)-compatible Einstein metrics. Differ. Geom. Appl. 22(2), 147–158 (2005)
Gauduchon, P.: Fibrés hermitiens à endomorphisme de Ricci non négatif. Bull. Soc. Math. France 105(2), 113–140 (1977)
Gauduchon, P.: Le théorème de l’excentricité nulle. C. R. Acad. Sci. Paris Sér. A-B 285(5), A387–A390 (1977)
Gauduchon, P.: La topologie d’une surface hermitienne d’Einstein. C. R. Acad. Sci. Paris Sér. A-B 290(11), A509–A512 (1980)
Gauduchon, P.: Le théorème de dualité pluri-harmonique. C. R. Acad. Sci. Paris Sér. I Math. 293(1), 59–61 (1981)
Gauduchon, P.: La \(1\)-forme de torsion d’une variété hermitienne compacte. Math. Ann. 267(4), 495–518 (1984)
Gauduchon, P., Ivanov, S.: Einstein-Hermitian surfaces and Hermitian Einstein–Weyl structures in dimension 4. Math. Z. 226(2), 317–326 (1997)
Goldberg, S.I.: Tensorfields and curvature in Hermitian manifolds with torsion. Ann. Math. (2) 63, 64–76 (1956)
Goldberg, S.I.: Integrability of almost Kaehler manifolds. Proc. Am. Math. Soc. 21, 96–100 (1969)
Hasegawa, K.: Complex and Kähler structures on compact solvmanifolds, Conference on Symplectic topology. J. Symplectic Geom. 3(4), 749–767 (2005)
Inoue, Ma.: On surfaces of Class VII\(_0\), Invent. Math. 24, 269–310 (1974)
Kobayashi, S.: First Chern class and holomorphic tensor fields. Nagoya Math. J. 77, 5–11 (1980)
Kobayashi, S.: Curvature and stability of vector bundles. Proc. Jpn. Acad. Ser. A Math. Sci. 58(4), 158–162 (1982)
Kobayashi, S.: Differential geometry of complex vector bundles, Publications of the Mathematical Society of Japan, 15; Kanô Memorial Lectures, 5, Princeton, NJ: Princeton University Press. Iwanami Shoten Publishers, Tokyo (1987)
Kobayashi, S., Wu, H.-H.: On holomorphic sections of certain hermitian vector bundles. Math. Ann. 189, 1–4 (1970)
LeBrun, C.: Einstein metrics on complex surfaces, in Geometry and Physics (Aarhus, 1995) Dekker. New York 167–176 (1997)
Lejmi, M., Upmeier, M.: Integrability theorems and conformally constant Chern scalar curvature metrics in almost Hermitian geometry, to appear in Commun. Anal. Geom. arXiv:1703.01323
Liu, K.-F., Yang, X.-K.: Geometry of Hermitian manifolds. Internat. J. Math. 23(6), 1250055 (2012)
Liu, K.-F., Yang, X.-K.: Ricci curvatures on Hermitian manifolds. Trans. Am. Math. Soc. 369(7), 5157–5196 (2017)
Lübke, M.: Chernklassen von Hermite–Einstein–Vektorbündeln. Math. Ann. 260(1), 133–141 (1982)
Lübke, M.: Stability of Einstein–Hermitian vector bundles. Manuscripta Math. 42(2–3), 245–257 (1983)
Lübke, M., Teleman, A.: The Kobayashi–Hitchin correspondence. World Scientific Publishing Co. Inc., River Edge (1995)
MathOverFlow discussion on “Chern-Einstein metrics on complex Hermitian manifolds” at https://mathoverflow.net/questions/236281/chern-einstein-metrics-on-complex-hermitian-manifolds, with contributions by Yury Ustinovskiy and YangMills
Matsuo, K.: On local conformal Hermitian-flatness of Hermitian manifolds. Tokyo J. Math. 19(2), 499515 (1996)
Ovando, G.: Invariant complex structures on solvable real Lie groups. Manuscr. Math. 103(1), 19–30 (2000)
Ovando, G.: Complex, symplectic and Kähler structures on four dimensional Lie groups. Rev. Un. Mat. Argentina 45(2), 55–67 (2004)
Podestà, F.: Homogeneous Hermitian manifolds and special metrics. Transf. Groups 23(4), 1129–1147 (2018)
Popovici, D.: Aeppli cohomology classes associated with Gauduchon metrics on compact complex manifolds. Bull. Soc. Math. Fr. 143(4), 763–800 (2015)
SageMath, the Sage Mathematics Software System (Version 8.1). The Sage Developers (2017) http://www.sagemath.org
Snow, D.M.: Invariant complex structures on reductive Lie groups. J. Reine Angew. Math. 371, 191–215 (1986)
Snow, J.E.: Invariant complex structures on four-dimensional solvable real Lie groups. Manuscripta Math. 66(4), 397–412 (1990)
Streets, J., Tian, G.: Hermitian curvature flow. J. Eur. Math. Soc. (JEMS) 13(3), 601–634 (2011)
Székelyhidi, G.G., Tosatti, V., Weinkove, B.: Gauduchon metrics with prescribed volume form. Acta Math. 219(1), 181–211 (2017)
Teleman, A.: The pseudo-effective cone of a non-Kählerian surface and applications. Math. Ann. 335(4), 965–989 (2006)
Tosatti, V.: Non-Kähler Calabi-Yau manifolds, in Analysis, complex geometry, and mathematical physics: in honor of Duong H. Phong, 261–277, Contemp. Math., 644, Amer. Math. Soc., Providence, RI (2015)
Tosatti, V., Weinkove, B.: The complex Monge–Ampère equation on compact Hermitian manifolds. J. Am. Math. Soc. 23(4), 1187–1195 (2010)
Yang, B., Zheng, F.: On curvature tensors of Hermitian Manifolds, to appear in Commun. Anal. Geom., arXiv:1602.01189
Yang, X.-K.: Scalar curvature on compact complex manifolds. Trans. Am. Math. Soc. 371, 2073–2087 (2019)
Acknowledgements
The authors are grateful to Stefan Ivanov, Fabio Podestà, Valentino Tosatti, Yury Ustinovskiy for several useful discussions on the subject. During the preparation of this note, the first two named authors have been supported by the Project PRIN “Varietà reali e complesse: geometria, topologia e analisi armonica”, by the Project SIR2014 “Analytic aspects in complex and hypercomplex geometry” (AnHyC) code RBSI14DYEB, and by GNSAGA of INdAM. DA is further supported by project FIRB “Geometria Differenziale e Teoria Geometrica delle Funzioni” ’, and SC by the Simons Center for Geometry and Physics, Stony Brook University. The third-named author is supported by AUFF Starting Grant 24285, Villum Young Investigator 0019098, and DNRF95 QGM “Centre for Quantum Geometry of Moduli Spaces”.
Author information
Authors and Affiliations
Corresponding author
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
About this article
Cite this article
Angella, D., Calamai, S. & Spotti, C. Remarks on Chern–Einstein Hermitian metrics. Math. Z. 295, 1707–1722 (2020). https://doi.org/10.1007/s00209-019-02424-4
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00209-019-02424-4