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Free software and educational resource. With a little searching, you can download what you need for free without spending any money.

Our site - "Dl4All" offers free software downloads including antivirus software, office suites and video editing software. Here you can find software reviews and ratings so you can understand which apps are worth downloading. If you're looking for free educational programs or materials in the US and Canada, we'll help you find what you need for students and learners.

Free Download Alexei N. Skorobogatov, "Torsors, Étale Homotopy and Applications to Rational Points "
English | ISBN: 1107616123 | 2013 | 468 pages | PDF | 5 MB
Torsors, also known as principal bundles or principal homogeneous spaces, are ubiquitous in mathematics. The purpose of this book is to present expository lecture notes and cutting-edge research papers on the theory and applications of torsors and étale homotopy, all written from different perspectives by leading experts. Part one of the book contains lecture notes on recent uses of torsors in geometric invariant theory and representation theory, plus an introduction to the étale homotopy theory of Artin and Mazur. Part two of the book features a milestone paper on the étale homotopy approach to the arithmetic of rational points. Furthermore, the reader will find a collection of research articles on algebraic groups and homogeneous spaces, rational and K3 surfaces, geometric invariant theory, rational points, descent, and the Brauer-Manin obstruction. Together, these give a state-of-the-art view of a broad area at the crossroads of number theory and algebraic geometry.

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Free Download Francis K. Mason - Tornado: The Development Story of the World's Foremost Combat Aircraft
Patrick Stephens | 1986 | ISBN: 0850597722 | English | 230 pages | PDF | 134.46 MB

Free Download Topologie: Ein Lehrbuch von den elementaren Grundlagen bis zur Homologie und Kohomologie
Deutsch | 2025 | ISBN: 366269946X | 653 Pages | PDF (True) | 9 MB
Diese Einführung in die Topologie spannt einen weiten Bogen, von den elementaren Grundlagen über fortgeschrittene Themen der algebraischen Topologie bis hin zu tiefer liegenden Meilensteinen, die im 20. Jahrhundert Furore gemacht haben. Der Text ist durchgängig einfach geschrieben, braucht nur wenig Vorwissen und ist daher gut geeignet ab etwa dem dritten Semester eines mathematischen Bachelorstudiums. Er wurde für die 2. Auflage vollständig durchgesehen, didaktisch und redaktionell überarbeitet sowie in weiten Teilen ergänzt und korrigiert.

Read More: Topologie, 2.Auflage

Free Download Topographic Effects in Stratified Flows
English | 2025 | ISBN: 1108481523 | 559 Pages | PDF | 44 MB
Covering both theory and experiment, this text describes the behaviour of homogeneous and density-stratified fluids over and around topography. Its presentation is suitable for advanced undergraduate and graduate students in fluid mechanics, as well as for practising scientists, engineers, and researchers. Using laboratory experiments and illustrations to further understanding, the author explores topics ranging from the classical hydraulics of single-layer flow to more complex situations involving stratified flows over two- and three-dimensional topography, including complex terrain. A particular focus is placed on applications to the atmosphere and ocean, including discussions of downslope windstorms, and of oceanic flow over continental shelves and slopes. This new edition has been restructured to make it more digestible, and updated to cover significant developments in areas such as exchange flows, gravity currents, waves in stratified fluids, stability, and applications to the atmosphere and ocean.

Free Download Rodney Davies, "Time-Slips: Journeys into the Past and the Future"
English | ISBN: 1795026979 | 2019 | 229 pages | EPUB | 758 KB
The idea of time travel, of venturing into the past and the future, is both fascinating and intriguing, and it has captured the imagination of many. But is it possible and has it ever been achieved? The answer to both questions is yes, and the effect of time travel upon human development has been profound. In this remarkable book Rodney Davies discusses the phenomenon of time and its enigmatic nature, and relates the amazing experiences of those who have found themselves, often unaccountably, in either yesterday or tomorrow. Of these, some have returned to relate their adventures, while others have left notice of their strange exploits in the form of objects fossilised in solid rock, or as footprints impressed thereon,The author suggests that many of the ancient deities were in fact time travellers, who, having discovered the technique of time-slipping, went back to take practical skills and moral guidance to earlier peoples, but who found that their self-seeking benevolence created unanticipated problems for themselves.

Free Download Thriving in Android Development Using Kotlin: Use the newest features of the Android framework to develop production-grade apps by Gema Socorro Rodríguez
English | July 19, 2024 | ISBN: 1837631298 | 410 pages | PDF | 27 Mb
Build a range of Android applications such as a messaging app, a photo editor, and a video streaming platform that address common real-world issues such as authentication, connecting to synchronous and asynchronous remote sources, rendering complex UIs with Jetpack Compose, and more with seasoned Android GDE, Gema Socorro Rodriguez

Free Download Sheldon Cohen, "This Sweater Is For You!: Celebrating the Creative Process in Film and Art: with the animator and illustrator of "The Ho"
English | ISBN: 1550229605 | 2012 | 240 pages | PDF | 4 MB
A rare glimpse into an artist's mind, his toolbox, and the world of film animation

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Dl4All is download free for all software and educational resource. With a little searching, you can download what you need for free without spending any money.

Dl4All - Download free For All: software and educational resource.

Total Capital and Mixed Embeddedness

Torsors, Étale Homotopy and Applications to Rational Points

Tornado The Development Story of the World's Foremost Combat Aircraft

Topologie, 2.Auflage

Topographic Effects in Stratified Flows

Tod im Skriptorium. Historischer Kriminalroman

To Be an Actress Labor and Performance in Anna May Wong's Cross-Media World

Time-Slips Journeys into the Past and the Future

Thriving in Android Development Using Kotlin Use the newest features of the Android framework to develop

This Sweater Is For You! Celebrating the Creative Process in Film and Art with the animator and illustrator of The Ho