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Your search keyword '"Mirzaie, R."' showing total 3 results
Start Over Author "Mirzaie, R." Topic differential geometry
3 results on '"Mirzaie, R."'

1. Orbit space of cohomogeneity two at Riemannian manifolds.

Author

Mirzaie, R.

Subjects
*RIEMANNIAN manifolds, *MANIFOLDS (Mathematics), *MATHEMATICAL analysis, *MATHEMATICAL symmetry, *DIFFERENTIAL geometry
Abstract

We give a topological classification of the orbit space of cohomogeneity two isometric actions on at Riemannian manifolds. [ABSTRACT FROM AUTHOR]

Published
2018

2. On the fundamental group of Riemannian manifolds with omitted fractal subsets.

Author

Mirzaie, R.

Subjects
*FUNDAMENTAL groups (Mathematics), *RIEMANNIAN manifolds, *FRACTALS, *MANIFOLDS (Mathematics), *GROUP theory, *DIFFERENTIAL geometry, *MATHEMATICAL analysis
Abstract

We show that if K is a closed bounded subset of a Riemannian manifold M of dimension m > 3 and the fractal dimension of K is less than m − 3, then the fundamental groups of M and M − K are isomorphic. [ABSTRACT FROM AUTHOR]

Published
2011
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3. ON EUCLIDEAN G-MANIFOLDS WHICH HAVE TWO DIMENSIONAL ORBIT SPACES.

Author

MIRZAIE, R.

Subjects
*EUCLIDEAN algorithm, *RIEMANNIAN manifolds, *LIE groups, *HOMEOMORPHISMS, *MANIFOLDS (Mathematics), *ALGORITHMS, *DIFFERENTIAL geometry
Abstract

We show that the orbit space of Euclidean space, under the action of a closed and connected Lie group of isometries is homeomorphic to a plane or closed half-plane, if the action is of cohomogeneity two. [ABSTRACT FROM AUTHOR]

Published
2011
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