Abstract
Using the local Kerzman kernel we prove regularity of solutions of\(\bar \partial \)u=f, where f is a\(\bar \partial \)-closed (0,1)-form in a strongly pseudoconvex domain G in ℂN. If f is in Hm,∞, then the solution is in\(\tilde C^{m,\mu } \) forμ<1, that is, the m-th derivatives are in Co,μ/2 and in addition areμ-Hölder continuous on curves “parallel” to the holomorphic tangent bundle\(\tilde T\)∂G. If f is in Cm,α with o<α<1, then the solution is in\(\tilde C^{m,1 + \mu } \) forμ<α, that is, the m-th derivatives are in Co,(1+μ/2, and they have first derivatives “parallel” to\(\tilde T\)∂G lying in\(\tilde C^{o,\mu } \). We derive the same results for the global solution constructed by Grauert and Lieb, and similar estimates on complex manifolds.
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Alt, W. Hölderabschätzungen für Ableitungen von Lösungen der Gleichung\(\bar \partial \)u = f bei streng pseudokonvexem Rand. Manuscripta Math 13, 381–414 (1974). https://doi.org/10.1007/BF01171150
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DOI: https://doi.org/10.1007/BF01171150