Abstract
We prove that every J-holomorphic variational vector field can be realized as derivation \(\frac{d}{dt}_{|t=0}f_t\) where \((f_t)\) is a one parametric family of J-holomorphic discs. Furthermore, we discuss properness of an extremal J-holomorphic disc in a bounded pseudoconvex domain.
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References
Bertrand, F., Kuzman, U.: Local approximation of non-holomorphic maps in almost complex manifolds. J. Math. Anal. Appl. 458(1), 123–133 (2018)
Bertrand, F., Della Sala, G., Joo, J.-C.: Extremal and stationary discs for the Kobayashi \(k\)-metric. Mich. Math. J. 69(3), 451–463 (2020)
Bojarski, B.: Theory of a generalized analytic vector (Russian). Ann. Pol. Math. 17, 281–320 (1966)
Gaussier, H., Joo, J.C.: Extremal discs in almost complex manifolds. Ann. Scuola Norm. Super. Pisa Cl. Sci. (5) 9, 759–783 (2010)
Ivashkovich, S., Rosay, J.-P.: Schwarz-type lemmas for solutions of \({\bar{\partial }}\)-inequalities and complete hyperbolicity of almost complex manifolds. Ann. Inst. Fourier 54, 2387–2435 (2004)
Lang, S.: Real and Functional Analysis. Graduate Texts in Mathematics, 3rd edn. Springer, New York (1993)
Lempert, L.: La métrique de Kobayashi et la représentation des domaines sur la boule. Bull. Soc. Math. Fr. 109, 427–474 (1981)
Pang, M.Y.: Smoothness of the Kobayashi metric of nonconvex domains. Int. J. Math. 4, 953–987 (1993)
Poletsky, E.A.: The Euler–Lagrange equations for extremal holomorphic mappings of the unit disk. Mich. Math. J. 30, 317–333 (1983)
Sukhov, A., Tumanov, A.: Deformations and transversality of pseudo holomorphic discs. J. Anal. Math. 116, 1–16 (2012)
Tumanov, A.: Extremal discs and the regularity of CR mappings in higher codimensions. Am. J. Math. 123, 445–473 (2001)
Sukhov, A., Tumanov, A.: Filling hypersurfaces by discs in almost complex manifolds of dimension 2. Indiana Math. J. 57, 509–544 (2008)
Acknowledgements
Research of the author was supported in part by grants P1-0291, J1-9104 and BI-US/19-21-108 from ARRS, Republic of Slovenia. He would also like to thank Herve Gaussier and Franc Forstnerič for their useful comments while he was preparing the paper.
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Kuzman, U. On J-Holomorphic Variational Vector Fields and Extremal Discs. J Geom Anal 31, 8632–8640 (2021). https://doi.org/10.1007/s12220-020-00605-w
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DOI: https://doi.org/10.1007/s12220-020-00605-w