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Journal of Homotopy & Related Structures

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Book
The Cohomology of Commutative Semigroups
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ISBN: 9783031082122 Year: 2022 Publisher: Cham Springer International Publishing :Imprint: Springer


Book
Equivariant cohomology of configuration spaces Mod 2 : the state of the art
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ISBN: 3030841375 3030841383 Year: 2021 Publisher: Cham, Switzerland : Springer,


Book
Algebra 3 : homological algebra and its applications
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ISBN: 9813363266 9813363258 Year: 2021 Publisher: Singapore : Springer,


Book
Algebraic Topology.
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ISBN: 3030706087 3030706079 Year: 2021 Publisher: Cham : Springer International Publishing AG,


Book
Equivariant Poincaré duality on G-manifolds : equivariant Gysin morphism and equivariant Euler classes
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ISBN: 3030704408 3030704394 Year: 2021 Publisher: Cham, Switzerland : Springer,

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This book carefully presents a unified treatment of equivariant Poincaré duality in a wide variety of contexts, illuminating an area of mathematics that is often glossed over elsewhere. The approach used here allows the parallel treatment of both equivariant and nonequivariant cases. It also makes it possible to replace the usual field of coefficients for cohomology, the field of real numbers, with any field of arbitrary characteristic, and hence change (equivariant) de Rham cohomology to the usual singular (equivariant) cohomology . The book will be of interest to graduate students and researchers wanting to learn about the equivariant extension of tools familiar from non-equivariant differential geometry.


Book
Atlas of Human Sperm Ultrastructural Morphology
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ISBN: 9811553254 9811553246 Year: 2020 Publisher: Springer Singapore

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This atlas provides ultrastructural morphological images of human spermatozoa. Sperm morphology plays an essential role in sperm-oocyte interactions and early embryonic development, and human sperm ultrastructural morphology offers a valuable reference tool for assessing certain etiologies of male infertility and reproductive failure. However, the ultrastructural morphology of human sperm has not been systematically evaluated or thoroughly described in the literature. Using 470 original and unpublished images, the book shows various ultrastructural morphological phenotypes; defects of the sperm head, neck, middle piece, principal piece, and terminal piece; as well as artifacts of sperm ultrastructural morphology and phenomena related to inadequate preparation, demonstrating several sperm phenotypes and surface structural appearances for the first time. As such, it helps researchers and practitioners in andrology, reproductive medicine, and reproductive pathology gain a better understanding of human sperm ultrastructural morphology.


Book
Arakelov geometry and diophantine applications
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ISBN: 3030575594 3030575586 Year: 2021 Publisher: Cham, Switzerland : Springer,

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Bridging the gap between novice and expert, the aim of this book is to present in a self-contained way a number of striking examples of current diophantine problems to which Arakelov geometry has been or may be applied. Arakelov geometry can be seen as a link between algebraic geometry and diophantine geometry. Based on lectures from a summer school for graduate students, this volume consists of 12 different chapters, each written by a different author. The first chapters provide some background and introduction to the subject. These are followed by a presentation of different applications to arithmetic geometry. The final part describes the recent application of Arakelov geometry to Shimura varieties and the proof of an averaged version of Colmez's conjecture. This book thus blends initiation to fundamental tools of Arakelov geometry with original material corresponding to current research. This book will be particularly useful for graduate students and researchers interested in the connections between algebraic geometry and number theory. The prerequisites are some knowledge of number theory and algebraic geometry.


Book
Introduction to algebraic geometry
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ISBN: 303062644X 3030626431 Year: 2021 Publisher: Cham, Switzerland : Birkhäuser,

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The goal of this book is to provide an introduction to algebraic geometry accessible to students. Starting from solutions of polynomial equations, modern tools of the subject soon appear, motivated by how they improve our understanding of geometrical concepts. In many places, analogies and differences with related mathematical areas are explained. The text approaches foundations of algebraic geometry in a complete and self-contained way, also covering the underlying algebra. The last two chapters include a comprehensive treatment of cohomology and discuss some of its applications in algebraic geometry.

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