Presentations of the fundamental group of a manifold

B. Hajduk

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Displaying similar documents to “Presentations of the fundamental group of a manifold”

Bicollared n-manifold in Euclidean space

P. H. Doyle (1974)

Colloquium Mathematicae

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Some structures on an f-structure manifold

U. C. Vohra, K. D. Singh (1972)

Annales Polonici Mathematici

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On differential spaces whose Cartesian product is a differentiable manifold

Wlodzimierz Waliszewski (1987)

Colloquium Mathematicae

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Generalization of Hashiguchi-Ichijyō's theorems to Wagner-type manifolds.

Rezaii, M.M., Barzegari, M. (2006)

Balkan Journal of Geometry and its Applications (BJGA)

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A corrigendum to the paper “Connecting direct limit topologies with metrics on infinite-dimensional manifolds”

Katsuro Sakai (1996)

Compositio Mathematica

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Conditions for integrability of a 3-form

Jiří Vanžura (2017)

Archivum Mathematicum

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We find necessary and sufficient conditions for the integrability of one type of multisymplectic 3-forms on a 6-dimensional manifold.

Some results on $𝒦$ -manifolds.

Di Terlizzi, Luigia, Pastore, Anna Maria (2002)

Balkan Journal of Geometry and its Applications (BJGA)

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On the Fundamental Group of a Visibility Manifold.

V. Schroeder (1986)

Mathematische Zeitschrift

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A homological selection theorem implying a division theorem for Q-manifolds

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...

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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Two theorems on $(ε)$ -Sasakian manifolds.

Xu, Xufeng, Chao, Xiaoli (1998)

International Journal of Mathematics and Mathematical Sciences

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On $Φ$ -recurrent Sasakian manifolds.

De, U.C., Shaikh, A.A., Biswas, Sudipta (2003)

Novi Sad Journal of Mathematics

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On an Einstein projective Sasakian manifold.

Khan, Quddus (2006)

Novi Sad Journal of Mathematics

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