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Description
Cohomology Operations and Applications in Homotopy TheoryCohomology operations are at the center of a major area of activity in algebraic topology. This technique for supplementing and enriching the algebraic structure of the cohomology ring has been instrumental to important progress in general homotopy theory and in specific geometric applications. For both theoretical and practical reasons, the formal properties of families of operations have received extensive analysis. This text focuses on the single
Cohomology operations are at the center of a major area of activity in algebraic topology. This technique for supplementing and enriching the algebraic structure of the cohomology ring has been instrumental to important progress in general homotopy theory and in specific geometric applications. For both theoretical and practical reasons, the formal properties of families of operations have received extensive analysis.This text focuses on the single most important sort of operations, the Steenrod squares. It constructs these operations, proves their major properties, and provides numerous applications, including several different techniques of homotopy theory useful for computation. In the later chapters, the authors place special emphasis on calculations in the stable range. The text provides an introduction to methods of Serre, Toda, and Adams, and carries out some detailed computations. Prerequisites include a solid background in cohomology theory and some acquaintance with homotopy groups.
Binding Type: Paperback
Publisher: Dover Publications
Published: 06/26/2008
ISBN: 9780486466644
Pages: 224
Weight: 0.52lbs
Size: 8.50h x 5.51w x 0.47d
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
NICE sweatshirt for sure
Size: XX-Large, Color: Blue Wave
Yep lives up to everything said about it, quality and comfort. fits great and should wear good for a long time. it's the ticket! get one.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Nice hoodie
Size: Large, Color: Teal Blue
A nice, light hoodie. The teal blue color is bright and cheerful. It is true to size. The reason I didn’t give it a five star rating is the inside is not the usual fluffy soft surface of a sweat shirt. It is more like a fine, short loop terry cloth towel. It is comfortable but different.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Great lighter weight hoodie
Size: XX-Large, Color: Black
Great lighter weight hoodie but still goodie material not stiff linen material, looks great on, comfortable and soft, true to size, did arrive a day late which made my gift late and it appeared from the info on Amazon that they held the package until the day before it was to arrive and just shipped it late which ticks me a bit but overall I’m happy with the item
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Reviewed in the United States on May 12, 2026
★★★★★ 5
A very nice hoody to wear: a bit dressy in appearance, warm & ample of sizing, hood, pockets & cuffs
Size: XX-Large, Color: Blue Wave
This is a very nice hoodie! Whereas I thought the fabric a bit thin upon arrival, after laundering and wearing for the first time, thought it to be very warm. The hood itself is very ample of size and I have to pull it back or it will hang down over my eyes, blocking my vision.
The blue and black design also helps to make it look a bit dressier rather than casual of which a non-print hoody may display.
My 2x size is of good fit, not too tight and with ample sized pockets. I also like the sleeve cuffs, as they are solid black and lengthy without being too tight.
A good purchase indeed and recommended; would make a great gift for yourself or others.
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Reviewed in the United States on November 18, 2025
★★★★★ 3
You get what you pay for
Size: X-Large, Color: Teal Blue
Fair warning this hoodie runs small. I normally wear a medium for T-shirts and hoodies. I ordered an extra large because I wanted this to be oversized. Not only was it not oversized. It was almost too small and definitely would’ve been after a wash or 2. Additionally, this is not as lightweight as advertised so expect to get a medium weight hoodie. Lastly, the design is pretty poor. I couldn’t hardly move my arms in any range of motion without the hoodie riding up. I would’ve marked this as a one star review but I should’ve known better than to expect a quality hoodie for $20. Just know you’re getting what you pay for.
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Reviewed in the United States on May 25, 2026
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