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Des Structures Affines À La Géométrie de l''information
ISBN: 9786131588822 / Francuski / Miękka / 196 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Ce livre traite des structures affines et de leur rapport A la gA(c)omA(c)trie de l''information. Nous y introduisons la notion de T-Plongement. Il permet de montrer que l''ensemble des structures affines complA]tes dans le tore T DEGREES2 est une courbe projective irrA(c)ductible de RP DEGREES2. En substituant A la contrainte topologique (compacitA(c)) une contrainte dynamique (action canonique de Aff(1) dans le dA(c)mi-plan de PoincarA(c) H DEGREES2) on dA(c)montre que l''ensemble des structures affines Aff(1)-invariantes dans H DEGREES2 est une surface projective connexe dans RP DEGREES5...
Ce livre traite des structures affines et de leur rapport A la gA(c)omA(c)trie de l''information. Nous y introduisons la notion de T-Plongement. Il pe...
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cena:
263,91 |
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Minoration Du P-Spectre Du Laplacien de Hodge de Rham
ISBN: 9786131593390 / Francuski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Le calcul du Laplacien est utilisA(c) par les physiciens, comme la gA(c)ophysique, l'A(c)lectrostatique, la thermodynamique, la mA(c)canique classique et quantique...etc. Et le calcul de ces valeurs propres nous donne les sauts d'A(c)nergie. M. S.Gallot & D.Meyer ont donnA(c)s une minoration optimale du spectre du Laplacien des p-formes sur une variA(c)tA(c) Riemannienne on utilisant l'opA(c)rateur de courbure, M.I.IWASAKI & K.KATASE et M. A.IKIDA & Y.TANIGUCHI ont calculA(c)s le spectre et les espaces propres avec leurs dimensions dans le cas de la sphA]re. Dans ce livre je reprends ces...
Le calcul du Laplacien est utilisA(c) par les physiciens, comme la gA(c)ophysique, l'A(c)lectrostatique, la thermodynamique, la mA(c)canique classique...
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cena:
174,45 |
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Surface-Knots in 4-Space: An Introduction
ISBN: 9789811040900 / Angielski / Twarda / 212 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
483,04 |
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Morse Theory of Gradient Flows, Concavity and Complexity on Manifolds with Boundary
ISBN: 9789814368759 / Angielski / Twarda / 516 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Putting constraints on the nature of the interaction between nonsingular gradient - like fields and the boundary of a smooth compact manifold have implications for the topology of the manifold, this book describes these implications.
Putting constraints on the nature of the interaction between nonsingular gradient - like fields and the boundary of a smooth compact manifold have imp...
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cena:
832,62 |
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Wolf Prize in Mathematics, Volume 3
ISBN: 9789814390279 / Angielski / Twarda / 636 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Features bibliographies, important papers, and speeches (for example at international congresses) of Wolf Prize winners, such as V I Arnold, P R Deligne, H Furstenberg, I M Gel'fand, P A Griffiths, M Gromov and G A Margulis.
Features bibliographies, important papers, and speeches (for example at international congresses) of Wolf Prize winners, such as V I Arnold, P R Delig...
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cena:
979,55 |
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Wolf Prize in Mathematics, Volume 4
ISBN: 9789814390293 / Angielski / Twarda / 616 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This invaluable book features bibliographies, important papers, and speeches (for example at international congresses) of Wolf Prize winners, such as David Mumford, Sergei P Novikov, Mikio Sato, Atle Selberg, Saharon Shelah, Stephen Smale, John T Tate and John G Thompson. This is the first time that documents on Wolf Prize winners have been published together. Since the work of the Wolf laureates covers a wide spectrum, much of the mathematics of the twentieth century comes to life in this book. This invaluable book features bibliographies, important papers, and speeches (for example at international congresses) of Wolf Prize winners, such ... |
cena:
955,06 |
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The Geometry of Spherical Space Form Groups
ISBN: 9789971509279 / Angielski / Twarda / 372 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
401,61 |
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The Braid Groups
ISBN: 9783844321562 / Angielski / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The braid groups were mainly studied by E. Artin in 1925. After that a lot of improvement has been seen in this area and the theory was established as a theory of braids. For example J. S. Birman and P. Dehornoy, etc, have great contributions in this subject. This book contains the basic notions of braids and braid monoids. Using the Bokut's non-commutative Grobner bases we have given an algorithm to compute inductively the Hilbert series of all the braid monoids and we gave examples for few initial values. Here we have given the growth rates of braid monoids with three and with four strings...
The braid groups were mainly studied by E. Artin in 1925. After that a lot of improvement has been seen in this area and the theory was established as...
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cena:
219,18 |
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Configurations of Points and Lines
ISBN: 9780821843086 / Angielski / Twarda / 399 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book discusses the topic of geometric configurations of points and lines. It presents in detail the history of the topic, with its surges and declines, since its beginning in 1876. It covers all advances in the field since the revival of interest in geometric configurations some 20 years ago.
This book discusses the topic of geometric configurations of points and lines. It presents in detail the history of the topic, with its surges and dec...
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cena:
587,73 |
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The Fifty-nine Icosahedra
ISBN: 9781907550089 / Angielski / Miękka / 72 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
64,69 |
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Milnor Algebras and Brieskorn Modules of Homogeneous Polynomials
ISBN: 9783838312866 / Angielski / Miękka / 64 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This PhD Thesis is on the relation between the Milnor algebra and the Brieskorn module of a homogeneous polynomial, not necessarily having an isolated singularity at the origin. The main results detect torsion classes in the Brieskorn module (Case n=2 with non-isolated singularities, where n= number of variable in polynomial ring), using explicit computations with differential forms. These torsion classes are usually very interesting for topology, e.g. some of them are related to the monodromy of the corresponding global Milnor fibration of the polynomial. The main goal of the research is to...
This PhD Thesis is on the relation between the Milnor algebra and the Brieskorn module of a homogeneous polynomial, not necessarily having an isolated...
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cena:
219,18 |
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Toric Varieties in Several Complex Variables
ISBN: 9783838318103 / Angielski / Miękka / 100 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The present book deals with integral representations for holomorphic functions of several complex variables and holomorphic extensions in several complex variables. We construct volume forms on toric varieties (analogues of the Fubini-Studi form) and etalon forms in multidimensional complex space with singular set a union of some coordinate subspaces (analogues of the Bochner-Martinelli form). This will allow us to construct a class of integral representations in d-circular polyhedra with etalon kernels. Another object of study in the work is a problem of holomorphic extension of CR-functions...
The present book deals with integral representations for holomorphic functions of several complex variables and holomorphic extensions in several comp...
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cena:
219,18 |
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Some curvature conditions of Riemannian manifolds
ISBN: 9783838321745 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Nowadays, curvature conditions are one of the powerful tools to study the geometry of Riemannian manifolds. In particular cases, one can obtain geometric properties of a manifold from the curvature operator and its derivatives or vice versa. Now, through this notes we will work in both directions. First, we obtain geometric properties of manifolds working with Ledger's conditions. In particular, we solve the problem of checking if the three-parameter families of six and twelve-dimensional flag manifolds constructed by N. R. Wallach are D'Atri spaces and we obtain the classification of...
Nowadays, curvature conditions are one of the powerful tools to study the geometry of Riemannian manifolds. In particular cases, one can obtain geomet...
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cena:
263,91 |
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Equivariant Symplectic Hodge Theory and Strong Lefschetz Manifolds
ISBN: 9783838318356 / Angielski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Consider the Hamiltonian action of a compact Lie group on a symplectic manifold which has the strong Lefschetz property. We first establish an equivariant version of the Merkulov-Guillemin dδ-lemma, and an improved version of the Kirwan-Ginzburg equivariant formality theorem, which says that every cohomology class has a canonical equivariant extension. We then proceed to extend the equivariant dδ-lemma to equivariant differential forms with generalized coefficients. Finally we investigate the subtle differences between an equivariant Kaehler manifold and a Hamiltonian symplectic...
Consider the Hamiltonian action of a compact Lie group on a symplectic manifold which has the strong Lefschetz property. We first establish an equivar...
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cena:
219,18 |
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Some Problems Regarding the Spectra of Hodge-de Rham Operators
ISBN: 9783838348162 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Spectral geometry deals with the survey of these natural, differential operators' spectrums and among other things it tries to emphasize geometrical and topological properties of a manifold that can be recuperated from the spectrums. The present work is going to approach several issues referring to the spectrums of Hodge-de Rham operators on closed Riemannian manifolds. The author of this paper is going to discuss the continuous dependence on the Riemannian metrics on a smooth and closed differential manifold of the eigenvalues of the Hodge-de Rham operators and its restrictions regarding the...
Spectral geometry deals with the survey of these natural, differential operators' spectrums and among other things it tries to emphasize geometrical a...
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cena:
263,91 |
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Positivity Problems in Geometry
ISBN: 9783838359847 / Angielski / Miękka / 80 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book is a compilation of the author's thesis work. The book studies a class of problems that can be roughly tied together under the title "positivity problems." The logically splits into four parts: fixed points of endomorphisms of abelian varieties, finite generation of the rational points of endomorphisms of degree greater than one on all curves, universal constants of pluricaonical maps in dimension 3, and a Nakai type criterion for the big cone of a smooth projective variety.
This book is a compilation of the author's thesis work. The book studies a class of problems that can be roughly tied together under the title "positi...
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cena:
219,18 |
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On Relative Geometric Inequalities
ISBN: 9783838394695 / Angielski / Miękka / 96 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
cena:
219,18 |
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Models of Genus One Curves
ISBN: 9783843353847 / Angielski / Miękka / 124 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Let E be an elliptic curve defined over a number field K. An element of the n-Selmer group of E can be represented as a geometric object. Namely, as an everywhere locally soluble genus one curve defined by an equation of degree n. This equation is a generalised binary quartic when n=2, a ternary cubic when n=3, and two quadrics in four variables when n=4. By minimising these equations we mean making their invariants as small as possible. Unfortunately, the minimal (with the smallest invariants) equations of degree n are not unique in general. We exploit the theory of minimal regular models to...
Let E be an elliptic curve defined over a number field K. An element of the n-Selmer group of E can be represented as a geometric object. Namely, as a...
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cena:
263,91 |
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Self-Dual Metrics on 4-Manifolds
ISBN: 9783843362016 / Angielski / Miękka / 140 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This an introductory book on Self-Dual Riemannian 4- Manifolds. Self-Dual metrics are special type of metrics which provide solution to the "Optimal Metric" problem. Under a vanishing hypothesis, Donaldson and Friedman proved that the connected sum of two self-dual Riemannian 4-Manifolds is again self-dual. Here we prove that the same result can be extended over to the positive scalar curvature case. The idea is to use Leray spectral sequence. Secondly we give an example of a 4-manifold with b+ = 0 admitting a scalar-flat anti-self-dual metric. Finally we present an application of the...
This an introductory book on Self-Dual Riemannian 4- Manifolds. Self-Dual metrics are special type of metrics which provide solution to the "Optimal M...
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cena:
263,91 |
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Perspective
ISBN: 9783843382366 / Angielski / Miękka / 232 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Why do railway tracks appear to meet at the horizon? Why do circles appear flattened when seen at an angle? What is a straight line? Do we really see it as straight? How do we perceive depth? These are questions that relate to what we do all the time: see things. The sense of vision is fundamental to our perception of the world, yet most of us go through our lives without wondering much about how it works. This book deals with the nature of distortions like the above that occur in the process of seeing. It starts with a single simple axiom, and builds from it to mathematical results that...
Why do railway tracks appear to meet at the horizon? Why do circles appear flattened when seen at an angle? What is a straight line? Do we really see ...
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cena:
353,37 |
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