Sheaf Theory through Examples

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Description

An approachable introduction to elementary sheaf theory and its applications beyond pure math.Sheaves are mathematical constructions concerned with passages from local properties to global ones. They have played a fundamental role in the development of many areas of modern mathematics, yet the broad conceptual power of sheaf theory and its wide applicability to areas beyond pure math have only recently begun to be appreciated. Taking an applied category theory perspective, Sheaf Theory through Examples provides an approachable introduction to elementary sheaf theory and examines applications including n-colorings of graphs, satellite data, chess problems, Bayesian networks, self-similar groups, musical performance, complexes, and much more. With an emphasis on developing the theory via a wealth of well-motivated and vividly illustrated examples, Sheaf Theory through Examples supplements the formal development of concepts with philosophical reflections on topology, category theory, and sheaf theory, alongside a selection of advanced topics and examples that illustrate ideas like cellular sheaf cohomology, toposes, and geometric morphisms. Sheaf Theory through Examples seeks to bridge the powerful results of sheaf theory as used by mathematicians and real-world applications, while also supplementing the technical matters with a unique philosophical perspective attuned to the broader development of ideas.

Additional information

Weight 0.92 kg
Dimensions 2.42 × 17.78 × 25.53 cm
Format
language1
Pages

454

Publisher

Year Published

2022-10-25

Imprint

Publication City/Country

USA

ISBN 10

0262542153

About The Author

Daniel Rosiak is a Research Associate at the Inamori International Center for Ethics and Excellence at Case Western Reserve University.

"Remarkably approachable for those wanting to learn about the theory of sheaves but who do not have an extensive familiarity with the deep abstraction common to mathematical theories in general."—M. Clay, University of Arkansas

Other text

“Rosiak stimulates a shift in perspective—one that will encourage readers from diverse backgrounds to learn sheaf theory and imagine new applications to science, engineering and philosophy.”—Justin Curry, Professor of Mathematics and Statistics at SUNY Albany “Rosiak's visual imagination and his very detailed treatment of a wide array of examples allow the reader to uncover, as Novalis' Novices of Sais, the secrets of sheaf theory, perhaps the deepest mathematical construction of the twentieth century.”—Fernando Zalamea, Professor of Mathematics, Universidad Nacional de Colombia “With precise definitions and brimming with creative and illustrative examples, ranging from the Penrose Triangle to image processing, Sheaf Theory through Examples is probably the most pleasant way to learn about sheaves.”—David Spivak, Chief Scientist, Topos Institute

Table Of Content

Acknowledgments ixIntroduction 11 Categories 212 Prelude to Sheaves: Presheaves 453 Universal Constructions 894 Topology: A First Pass at Space 1095 First Look at Sheaves 1476 There's a Yoneda Lemma for That 1717 Adjunctions 1958 Sheaves Revisited 2419 Cellular Sheaf Cohomology through Examples 27710 Sheaves on a Site 31111 Elementary Toposes 369A Appendix (Revisiting Topology) 411References 431Index 439

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