On the Components of the Push-out Space with Certain Indices
Yusuf Kaya (2012)
Rendiconti del Seminario Matematico della Università di Padova
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Yusuf Kaya (2012)
Rendiconti del Seminario Matematico della Università di Padova
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Wlodzimierz Waliszewski (1987)
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Annales Polonici Mathematici
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Rezaii, M.M., Barzegari, M. (2006)
Balkan Journal of Geometry and its Applications (BJGA)
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Taras Banakh, Robert Cauty (2007)
Banach Center Publications
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We prove that a space M with Disjoint Disk Property is a Q-manifold if and only if M × X is a Q-manifold for some C-space X. This implies that the product M × I² of a space M with the disk is a Q-manifold if and only if M × X is a Q-manifold for some C-space X. The proof of these theorems exploits the homological characterization of Q-manifolds due to Daverman and Walsh, combined with the existence of G-stable points in C-spaces. To establish the existence of such points we prove (and...
Alberto Abbondandolo, Pietro Majer (2006)
Studia Mathematica
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We give an alternative proof of the stable manifold theorem as an application of the (right and left) inverse mapping theorem on a space of sequences. We investigate the diffeomorphism class of the global stable manifold, a problem which in the general Banach setting gives rise to subtle questions about the possibility of extending germs of diffeomorphisms.
Rafael de de Llave, C. Eugene Wayne (1995)
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Adara M. Blaga (2007)
Banach Center Publications
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The aim of the paper is to define a k-cosymplectic structure on the standard k-cosymplectic manifold associated to a regular Lagrangian and to reduce it via Marsden-Weinstein reduction.