Hans Delfs's Books

Homology of Locally Semialgebraic Spaces

By: Hans Delfs

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Homology of Locally Semialgebraic Spaces

By: Hans Delfs

Locally semialgebraic spaces serve as an appropriate framework for studying the topological properties of varieties and semialgebraic sets over a real closed field. This book contributes to the fundamental theory of semialgebraic topology and falls into two main parts. The first dealswith sheaves and their cohomology on spaces which locally look like a constructible subset of a real spectrum. Topics like families of support, homotopy, acyclic sheaves, base-change theorems and cohomological dimension are considered. In the second part a homology theory for locally complete locally semialgebraic spaces over a real closed field is developed, the semialgebraic analogue of classical Bore-Moore-homology. Topics include fundamental classes of manifolds and varieties, Poincare duality, extensions of the base field and a comparison with the classical theory. Applying semialgebraic Borel-Moore-homology, a semialgebraic ("topological") approach to intersection theory on varieties over an algebraically closed field of characteristic zero is given. The book is addressed to researchers and advanced students in real algebraic geometry and related areas.

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Page Count

145

Publisher

Springer

Published Date

ISBN 10

3540384944

ISBN 13

9783540384946

Introduction to Cryptography

Principles and Applications

By: Hans Delfs,Helmut Knebl

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Introduction to Cryptography

Principles and Applications

By: Hans Delfs,Helmut Knebl

This book covers key concepts of cryptography, from encryption and digital signatures to cryptographic protocols, presenting techniques and protocols for key exchange, user ID, electronic elections and digital cash. Advanced topics include bit security of one-way functions and computationally perfect pseudorandom bit generators. Assuming no special background in mathematics, it includes chapter-ending exercises and the necessary algebra, number theory and probability theory in the appendix. This edition offers new material including a complete description of the AES, a section on cryptographic hash functions, new material on random oracle proofs, and a new section on public-key encryption schemes that are provably secure against adaptively-chosen-ciphertext attacks.

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Page Count

315

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3642871267

ISBN 13

9783642871269

False memories of sexual abuse: the underestimated danger

Trauma therapy and family destruction

By: Hans Delfs

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False memories of sexual abuse: the underestimated danger

Trauma therapy and family destruction

By: Hans Delfs

Memories change over time because they are constantly being reconstructed. This can also result in memories of experiences that never existed. The way the brain works does not differentiate between real and imagined content. Pseudo-memories arise particularly easily in psychotherapy through suggestive speculation about traumas suffered, such as sexual abuse. Those undergoing therapy are firmly convinced of the reality of these false memories. They suffer just as much as those who were really abused. They blame innocent people. Families are destroyed, livelihoods are threatened and there are only losers. It gets particularly bad when conspiracy theories of ritual abuse and victim programming are involved.

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Page Count

168

Publisher

novum publishing

Published Date

ISBN 10

1642688509

ISBN 13

9781642688504

Deep Brain Stimulation and Epilepsy

By: Hans O. Lüders

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Deep Brain Stimulation and Epilepsy

By: Hans O. Lüders

Deep brain stimulation has been used effectively for many years to treat patients suffering from Parkinson's disease. Now, neurologists and neurosurgeons are using electric pulse generators to block abnormal activity, i.e. epileptic fits. Promising research results indicate that electric pulses implanted deep in the brain can affect neurocircuitry and help stop oncoming seizures. Supplying a solid background on brain stimulation and its application to epilepsy, Deep Brain Stimulation and Epilepsy provides a historical overview, explores pathogenesis of brain stimulation, discusses animal experiments and human studies, and explores future prospects of brain stimulation for epileptic control. The editor and his team of contributors distill information drawn directly from the literature into one convenient resource.

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Page Count

384

Publisher

CRC Press

Published Date

ISBN 10

1000105741

ISBN 13

9781000105742

Hitler's Last Levy

The Volkssturm 1944-45

By: Hans Kissel

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Hitler's Last Levy

The Volkssturm 1944-45

By: Hans Kissel

A companion volume to our very successful In a Raging Inferno - Combat Units of the Hitler Youth, Hans Kissel's study offers a highly detailed account of the German Volkssturm, or Home Guard. Formed from men unfit for military service, the young, and the old, this ad-hoc formation saw extensive combat during the desperate defense of the Reich, 1944–45. The author describes the Volkssturm’s training, leadership, organization, armament and equipment, in addition to its active service on both the Eastern and Western fronts. The text is supported by an extensive selection of appendices, including translations of documents and many fascinating eyewitness combat reports. This edition also includes over 150 previously unpublished b/w photos, and 4 pages of specially commissioned color uniform plates by Stephen Andrew.

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Page Count

223

Publisher

Helion and Company

Published Date

ISBN 10

1804516317

ISBN 13

9781804516317

Handbook of Polymer Synthesis

By: Hans R. Kricheldorf

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Handbook of Polymer Synthesis

By: Hans R. Kricheldorf

A relatively compact, but nonetheless comprehensive, review of the most important preparative methods for the synthesis and chemical modification of polymers. The contents are subdivided according to chemical structure of the polymer backbone. Complementary emphasis is on special properties and appl

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Page Count

976

Publisher

CRC Press

Published Date

ISBN 10

0824785142

ISBN 13

9780824785147

Dictionary of German Names

By: Hans Bahlow

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Dictionary of German Names

By: Hans Bahlow

This dictionary provides details of more than 15,000 German names in English. Variant spellings, and the meaning and origins of each name are given.

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Page Count

624

Publisher

Max Kade Institute

Published Date

ISBN 10

0924119373

ISBN 13

9780924119378

Introduction to Cryptography

Principles and Applications

By: Hans Delfs,Helmut Knebl

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Introduction to Cryptography

Principles and Applications

By: Hans Delfs,Helmut Knebl

The first part of this book covers the key concepts of cryptography on an undergraduate level, from encryption and digital signatures to cryptographic protocols. Essential techniques are demonstrated in protocols for key exchange, user identification, electronic elections and digital cash. In the second part, more advanced topics are addressed, such as the bit security of one-way functions and computationally perfect pseudorandom bit generators. The security of cryptographic schemes is a central topic. Typical examples of provably secure encryption and signature schemes and their security proofs are given. Though particular attention is given to the mathematical foundations, no special background in mathematics is presumed. The necessary algebra, number theory and probability theory are included in the appendix. Each chapter closes with a collection of exercises. In the second edition the authors added a complete description of the AES, an extended section on cryptographic hash functions, and new sections on random oracle proofs and public-key encryption schemes that are provably secure against adaptively-chosen-ciphertext attacks. The third edition is a further substantive extension, with new topics added, including: elliptic curve cryptography; Paillier encryption; quantum cryptography; the new SHA-3 standard for cryptographic hash functions; a considerably extended section on electronic elections and Internet voting; mix nets; and zero-knowledge proofs of shuffles. The book is appropriate for undergraduate and graduate students in computer science, mathematics, and engineering.

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Page Count

529

Publisher

Springer

Published Date

ISBN 10

3662479745

ISBN 13

9783662479742

False memories of sexual abuse: the underestimated danger

Trauma therapy and family destruction

By: Hans Delfs

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False memories of sexual abuse: the underestimated danger

Trauma therapy and family destruction

By: Hans Delfs

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Solve jigsaw puzzle

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Page Count

168

Publisher

novum publishing

Published Date

ISBN 10

1642688509

ISBN 13

9781642688504

Homology of Locally Semialgebraic Spaces

By: Hans Delfs

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Homology of Locally Semialgebraic Spaces

By: Hans Delfs

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Solve jigsaw puzzle

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Page Count

145

Publisher

Springer

Published Date

ISBN 10

3540384944

ISBN 13

9783540384946

Book's by Hans Delfs

Homology of Locally Semialgebraic Spaces

Homology of Locally Semialgebraic Spaces

Introduction to Cryptography

Introduction to Cryptography

False memories of sexual abuse: the underestimated danger

False memories of sexual abuse: the underestimated danger

Deep Brain Stimulation and Epilepsy

Deep Brain Stimulation and Epilepsy

Hitler's Last Levy

Hitler's Last Levy

Handbook of Polymer Synthesis

Handbook of Polymer Synthesis

Dictionary of German Names

Dictionary of German Names

Introduction to Cryptography

Introduction to Cryptography

False memories of sexual abuse: the underestimated danger

False memories of sexual abuse: the underestimated danger

Homology of Locally Semialgebraic Spaces

Homology of Locally Semialgebraic Spaces

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