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Description
Differential ManifoldsThe concepts of differential topology form the center of many mathematical disciplines such as differential geometry and Lie group theory. Differential Manifolds presents to advanced undergraduates and graduate students the systematic study of the topological structure of smooth manifolds. Author Antoni A. Kosinski, Professor Emeritus of Mathematics at Rutgers University, offers an accessible approach to both the h cobordism theorem and the
The concepts of differential topology form the center of many mathematical disciplines such as differential geometry and Lie group theory. Differential Manifolds presents to advanced undergraduates and graduate students the systematic study of the topological structure of smooth manifolds. Author Antoni A. Kosinski, Professor Emeritus of Mathematics at Rutgers University, offers an accessible approach to both the h-cobordism theorem and the classification of differential structures on spheres."How useful it is," noted the Bulletin of the American Mathematical Society, "to have a single, short, well-written book on differential topology." This volume begins with a detailed, self-contained review of the foundations of differential topology that requires only a minimal knowledge of elementary algebraic topology. Subsequent chapters explain the technique of joining manifolds along submanifolds, the handle presentation theorem, and the proof of the h-cobordism theorem based on these constructions. There follows a chapter on the Pontriagin Construction--the principal link between differential topology and homotopy theory. The final chapter introduces the method of surgery and applies it to the classification of smooth structures of spheres. The text is supplemented by numerous interesting historical notes and contains a new appendix, "The Work of Grigory Perelman," by John W. Morgan, which discusses the most recent developments in differential topology.
Binding Type: Paperback
Publisher: Dover Publications
Published: 10/19/2007
ISBN: 9780486462448
Pages: 262
Weight: 0.67lbs
Size: 8.46h x 5.34w x 0.55d
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★★★★★ 5
Dog approved!
Flavor Name: REAL Bacon, Size: Puppy (2-Pack)
Our American Eskimo loves these! She chews on them often and they have lasted . I would buy them again.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Puppy loves it!!!!
Flavor Name: REAL Maplewood, Size: Puppy Small
This is by far the best chew bone that I’ve bought my puppy. And I’ve bought many! Just got it yesterday, she loves it! All ready ordered another one for car rides. I have a frenchie puppy. This will be the only one I get while she’s a puppy.
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Reviewed in the United States on May 26, 2026
★★★★★ 3
These are quite large for a puppy
Flavor Name: REAL Bacon/REAL Maplewood, Size: Puppy Tiny (2-Pack)
These are advertised as puppy but I wish there were still different sizes for the different sizes of puppies. It seems extra small dogs are left out of alot of things. My older larger dog seems to like these but shes only touched it once because these are also quite hard. And my tiny puppy wants to chew these but theyre so big she cant even get ahold of it. I wish there were more options for very small dogs/puppies. Because they seemed to really like these and wanted them but just cant chew them...
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Reviewed in the United States on January 4, 2026
★★★★★ 5
My Aussie loves this bone!
This wishbone is so durable! My Australian shepherd is a big cheese and this is her go-to chew toy. It's a fave! She has spent HOURS chewing on this bone and it has held up super well. It has no smell but understand she can taste the flavor of it. I love having something she can chew on that is safe for her that she enjoys. Great value.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Durable, Great Value Dog Bone!
We’ve ordered several of these that have lasted for months, and my dogs are still working on them. Months. That alone feels like a small miracle. Normally, chews last about 10 minutes. Not this one. This thing is built like it trained for battle. It keeps them busy, satisfied, and focused on something that is actually meant to be chewed.
And the best part? It’s way more affordable in the long run. Instead of constantly buying new toys, chews, or replacing destroyed shoes, this one just keeps going. Definitely worth every penny and then some.
If you have determined chewers, this is the chew/bone you’ve been looking for.
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Reviewed in the United States on February 18, 2026