Springer springer vieweg dez 1972 (6 risultati)
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Tripartite graphs to analyze the interconnection of networks.- Minimal regular major maps with proper 4-rings.- Total graphs.- A census of ball and disk dissections.- Network models for maximization of heat transfer under weight constr…aints.- The 'Graph Theory' of the Greek Alphabet.- The number of partial order graphs.- Estimating the connectivity of a graph.- On problems of Moser and Hanson.- The role of graph theory in some sieve arguments of probability theory.- The pfaffian and 1-factors of graphs II.- On embedding graphs in squashed cubes.- Crossing numbers of graphs.- Recent results on generalized Ramsey theory for graphs.- Line graphs of triangleless graphs and iterated clique graphs.- Line digraphs.- On limit points of spectral radii of non-negative symmetric integral matrices.- Which generalized prisms admit H-circuits .- The chromatic number of triangle-free graphs.- Planarity of Cayley diagrams.- Hamiltonian and Eulerian properties of entire graphs.- Two problems on random trees.- On the girth and genus of a graph.- Variations of the cell growth problem.- On the toughness of a graph.- On the cyclic connectivity of planar graphs.- Some recent results in chemical enumeration.- Upper and lower imbeddable graphs.- Triangular embeddings of graphs.- Progress on the problem of eccentric hosts.- Magic sets.- The strong perfect graph conjecture and an application to a municipal routing problem.- On graphical regular representations of Cn × Q.- Planar graphs and matroids.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 344 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Manifolds with few preiodic homeomorphisms.- Centralizers of rootless integral matrices.- Manifolds with no periodic maps.- Injective operations of the toral groups II.- Holomorphic seifert fibering.- Holomorphically injective complex…toral actions.- Derived actions.- Group action and betti sheaf.- On infinite cyclic actions on contractible open 3-manifolds and strong irreducibility.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 348 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The main purpose of part I of these notes is to develop for a ring R a functional notion of R-completion of a space X. For R=Zp and X subject to usual finiteness condition, the R-completion coincides up to homotopy, with the p-profinit…e completion of Quillen and Sullivan; for R a subring of the rationals, the R-completion coincides up to homotopy, with the localizations of Quillen, Sullivan and others. In part II of these notes, the authors have assembled some results on towers of fibrations, cosimplicial spaces and homotopy limits which were needed in the discussions of part I, but which are of some interest in themselves.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 356 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Invariants for semi-free s1-actions.- Topological s1 and Z2k actions on spheres.- Characteristic invariants of free differentiable actions of S1 and S3 on homotopy spheres.- Differentiable pseudo-free circle actions on homotopy seven s…pheres.- Semifree circle actions with twisted fixed point sets.- Z2-torus actions on homotopy spheres.- Free and semi-free smooth actions of S1 and S3 on homotopy spheres.- Cobordism of involutions revisited.- Bemerkungen Über Äquivariante Euler-klassen.- Existence of fixed points.- Cobordism of line bundles with restricted characteristic class.- Unitary bordism of monogenic groups and isometries.- Quillen's theorem for MU.- Equivariant characteristic numbers.- Cobordism of diffeomorphisms of (k-1)-connected 2k-manifolds.- The index of manifolds with toral actions and geometric interpretations of the ( , (S1, Mn)) invariant of atiyah and singer.- Involutions on homotopy complex projective spaces and related topics.- On the homology of weighted homogeneous manifolds.- Equivariant resolution of singularities with C\* action.- Strange circle actions on products of odd dimensional spheres, and rational homotopy.- Examples of actions on manifolds almost diffeomorphic to Vn+1,2.- On unitary and sympletic knot manifolds.- A classification of 6-manifolds with free S1 actions.- SU(n) actions on manifolds with vanishing first and second integral pontrjagin classes.- On the splitting principle and the geometric weight system of topological transformation groups I.- Equivariant singular homology and cohomology for actions of compact lie groups.- Cyclic branched covers and o(n)-manifolds.- Degree of symmetry of closed manifolds.- Transfer homomorphisms of whitehead groups of some cyclic groups, II.- Surgery on four-manifolds and topologicaltransformation groups.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 468 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -These are the revised notes of a course for graduate students and some seminar talks which I gave at the University of Rochester during Fall Term 1969/70. They would not have been written without the encouragement and the aid which I r…eceived, during all stages of the work, by friends from Rochester, Rio de Janeiro, and Bonn. I wish to thank all of them: Barbara Grabkowicz encouraged me to write these notes in English and read carefully parts of a preliminary manuscript, as did Gervasio G. Bastos, Yves A. E. Lequain, Walter Strubel, and Antonio J. Engler. Many valuable suggestions were given me by Yves A. E. Lequain, and several improvements of theorems and proofs are due to him. I am particularly grateful to Linda C. Hill for her criticism in reading the last version and for improving and smoothing many of my formulations. Last but not least I thank Wilson Goes for the excellent typing. Most of this book was elaborated when I stayed in Rio de Janeiro as a Visiting Professor at IMPA (Institute for Pure and Applied Mathematics) and as a Pesquisador-Conferencista of CNPq (National Research Council). Thanks are also due to these institu tions.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 256 pp. Englisch.
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Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -In biological literature, several definitions of quantitative autoradio graphy are given. The term is defined as either the determination and com parison of the density of silver grains above various structures or under varying conditi…ons, or the determination of absolute quantities of radio activity. In both these cases, photometric measurement serves for more rapid and more exact evaluation of grain densities than would be possible by visual counting of the grains. The equipment generally used for the photometric measurement of silver grains consists of a microscope, a photocell, an electronic amplifier system and a display unit. Grains can be made accessible to photometric evaluation by various kinds of microscopic illumination: 1. Substage bright-field illumination. 2. Substage dark-field illumination. 3. Incident dark-field illumination. 4. Vertical bright-field illumination. With all these types of illumination, the relationship between the luminous flux I absorbed by the film, scattered into the objective and reflected or diffracted, and the flux 10 which is not affected by the film is used as a measure of grain density. Since these are differential measurements, the light beam I transmitted by the film is in itself a measure of grain density if the luminous flux 10 incident on the grains is kept constant. This approach has been used in a large number of measuring setups.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 252 pp. Englisch.
