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Description
The Collected Works of Bernhard RiemannThis unabridged text of the complete works of Bernhard Riemann enables German language readers to examine the great mathematician's revolutionary concepts exactly as he set them down. The collection presents both the 1892 edition of the works, edited by R. Dedekind and H. Weber, and the 1902 supplement, edited by M. Noether and W. Wirtinger. Contents include 31 monographs, three complete lecture courses, and 15 miscellaneous papers. The selections
This unabridged text of the complete works of Bernhard Riemann enables German-language readers to examine the great mathematician's revolutionary concepts exactly as he set them down. The collection presents both the 1892 edition of the works, edited by R. Dedekind and H. Weber, and the 1902 supplement, edited by M. Noether and W. Wirtinger. Contents include 31 monographs, three complete lecture courses, and 15 miscellaneous papers. The selections feature Riemann's epoch-making papers on Abelian functions, representation of a function by trigonometrical series, non-Euclidean geometry, the study of space, conformal mapping, number theory, topology, and other mathematical topics.As Dirk Jan Struik noted in his Concise History of Mathematics, "With Bernhard Riemann, Dirichlet's successor at Goettingen, we reach the man who more than any other influenced the course of modern mathematics." Indeed, many of these papers had a profound impact on the work of Einstein, de Sitter, Minkowski, Heisenberg, Dirac, and other outstanding mathematicians and physicists. This edition features an English-language introduction by Professor Hans Lewy of Stanford University.
Binding Type: Paperback
Publisher: Dover Publications
Published: 08/15/2017
ISBN: 9780486812434
Pages: 704
Weight: 1.80lbs
Size: 8.40h x 5.40w x 1.40d
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★★★★★ 3
Okay
I like that it fits my umbrella well, hinges open for easy application and removal, and that it has enough light for us to see our food at night.
I do not like that half of the outer lights do not work part of the time until I take out the batteries and swap them around.
Fine enough for the price, not worth the hassle of returning.
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Perfect!
Lightweight and easy to use! Love the three light settings.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Easy to use.
Works well. Light is bright. Our new patio umbrella does not have e a center pole, so the lights get somewhat blocked. But still pretty useful.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
My favorite pimple patches
Style: Bundle, Size: 2 Piece Set
I've tried the competitor Mighty Patches and a couple other pimple patches. These are my favorite because they stay on the best and do the best job of healing/absorbing. The Microcrystal Spot Cover actually hurts a little when you put it on from the little spikes... but I love that because I feel like it's actually doing something! I wish they were a little more affordable.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Expensive but effective
Style: Bundle, Size: 2 Piece Set
This isn’t a miracle cure for acne, but it has proven beneficial for reducing redness and shortening healing time, in part because of how it works and also just as a barrier to prevent picking. Product does what the packaging says it will do. These dots are impressively thin. As the fluid is drawn into the patch, it creates a more pronounced white bump, but it is still thinner than typical extra thin hydrocolloid dressings.
If you’re planning to walk around and be seen while wearing acne patches, these are a great option, even if they are expensive. If you’re going to be primarily wearing patches while you sleep and are at a place in your life where you just don’t care how it looks as long as it works, shop around and cut a patch to size from a large (4”x4” or so) hydrocolloid dressing, and it will do the job just as well.
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Reviewed in the United States on February 11, 2020