Titlebook: Complex, Contact and Symmetric Manifolds; In Honor of L. Vanhe Old?ich Kowalski,Emilio Musso,Domenico Perrone Book 2005 Birkh?user Boston 2

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責問

Book 2005s; J.C. Díaz-Ramos; M. Djoric; C. Dunn; M. Fernández; A. Fujiki; E. García-Río; P.B. Gilkey; O. Gil-Medrano; L. Hervella; O. Kowalski; V. Mu?oz; M. Pontecorvo; A.M. Naveira; T. Oguro; L. Sch?fer; K. Sekigawa; C-L. Terng; K. Tsukada; Z. Vlá?ek; E. Wang; and J.A. Wolf..

Desert

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胰臟

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https://doi.org/10.1007/978-3-662-48708-2ently, on these manifolds there exists an almost contact structure (.) naturally induced from the ambient space. In this paper, we study a certain commutative condition on the almost contact structure and on the second fundamental form of these submanifolds.

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N. Hadj Taieb,M. A. Hammami,F. Delmottewhere the scalar curvature is non-negative. However, the conjecture is still open in the remaining case. In this note, we shall give a brief survey on the recent progress concerning the conjecture in four-dimensional case.