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Displaying 41 – 60 of 78

On constructions of generalized skein modules

Uwe Kaiser (2014)

Banach Center Publications

Józef Przytycki introduced skein modules of 3-manifolds and skein deformation initiating algebraic topology based on knots. We discuss the generalized skein modules of Walker, defined by fields and local relations. Some results by Przytycki are proven in a more general setting of fields defined by decorated cell-complexes in manifolds. A construction of skein theory from embedded TQFT-functors is given, and the corresponding background is developed. The possible coloring of fields by elements of...

On equivariant maps between Stiefel manifolds.

Petrović, Zoran Z. (1997)

Publications de l'Institut Mathématique. Nouvelle Série

On immersions in bordism classes.

Gui-Song Li (1991)

Mathematische Annalen

On Immersions of m-Manifolds in (m+1)-Manifolds.

Banghe Li (1983)

Mathematische Zeitschrift

On nonsingular matrices and Bott periodicity.

Petrović, Zoran Z. (1999)

Publications de l'Institut Mathématique. Nouvelle Série

On the Euler characteristic of multiple selfintersection points of immersed manifolds.

Akhmet'ev, P.M., Malešič, Jože, Repovš, Dušan (2003)

Sibirskij Matematicheskij Zhurnal

On the induced geometric object on submanifolds of homogeneous spaces

H. GOLLEK (1980)

Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry

On the number of triple points of an immersed surface with boundary.

A. Szücs, B. Csikós (1995)

Manuscripta mathematica

On the self-intersection set and the image on a generic map.

Osamu Saeki, Carlos Biasi (1997)

Mathematica Scandinavica

On the torsion groups of the cobordism groups of immersions

András Szücs (1993)

Mathematica Slovaca

Orientability of higher order Grassmannians

Michal Krupka (1994)

Mathematica Slovaca

Pointlike immersions of 2-manifolds

R. E. Goodrick (1980)

Annales Polonici Mathematici

Points multiples isolés d'immersions de codimension quatre.

Said Zarati, Noureddine Boudriga (1990)

Forum mathematicum

Points quadruples d'immersions de variétés de dimension trois en codimension un

N. Boudriga, S. Zarati (1984)

Bulletin de la Société Mathématique de France

Pontryagin forms on homogeneous spaces.

Allen Back (1982)

Commentarii mathematici Helvetici

Quelques calculs en cobordisme lagrangien

Michèle Audin (1985)

Annales de l'institut Fourier

Nous considérons les groupes de cobordisme (définis par Arnold) d’immersions lagrangiennes exactes de variétés compactes dans $R^{2 n}$ . Grâce au théorème de Gromov-Lees, leur calcul est celui des groupes d’homotopie de spectres de Thom construits sur les espaces $U / O$ (cas non-orienté, le calcul est alors dû à Smith et Stong) et $U / S O$ (cas orienté, groupes dont nous calculons la “partie paire”, et sur la “partie impaire” desquels nous donnons des informations). Nous calculons aussi les images de ces groupes dans...

Reduction of the Codimension of Regular Isometric Immersions.

Marcos Dajczer (1982)

Mathematische Zeitschrift

Regular homotopy and total curvature I: Circle immersions into surfaces.

Ekholm, Tobias (2006)

Algebraic & Geometric Topology

Regular homotopy and total curvature. II: Sphere immersions into 3-space.

Ekholm, Tobias (2006)

Algebraic & Geometric Topology

Reidemeister-type moves for surfaces in four-dimensional space

Dennis Roseman (1998)

Banach Center Publications

We consider smooth knottings of compact (not necessarily orientable) n-dimensional manifolds in $ℝ^{n + 2}$ (or $S^{n + 2}$ ), for the cases n=2 or n=3. In a previous paper we have generalized the notion of the Reidemeister moves of classical knot theory. In this paper we examine in more detail the above mentioned dimensions. Examples are given; in particular we examine projections of twist-spun knots. Knot moves are given which demonstrate the triviality of the 1-twist spun trefoil. Another application is a smooth...

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