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Description
Introduction to Graph TheoryA stimulating excursion into pure mathematics aimed at "the mathematically traumatized," but great fun for mathematical hobbyists and serious mathematicians as well. Requiring only high school algebra as mathematical background, the book leads the reader from simple graphs through planar graphs, Euler's formula, Platonic graphs, coloring, the genus of a graph, Euler walks, Hamilton walks, and a discussion of The Seven Bridges of Konigsberg. Exercises
A stimulating excursion into pure mathematics aimed at "the mathematically traumatized," but great fun for mathematical hobbyists and serious mathematicians as well. Requiring only high school algebra as mathematical background, the book leads the reader from simple graphs through planar graphs, Euler's formula, Platonic graphs, coloring, the genus of a graph, Euler walks, Hamilton walks, and a discussion of The Seven Bridges of Konigsberg. Exercises are included at the end of each chapter. "The topics are so well motivated, the exposition so lucid and delightful, that the book's appeal should be virtually universal . . . Every library should have several copies" -- Choice. 1976 edition.Binding Type: Paperback
Publisher: Dover Publications
Published: 02/09/1994
ISBN: 9780486678702
Pages: 224
Weight: 0.51lbs
Size: 8.45h x 5.38w x 0.45d
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★★★★★ 5
Perfect Fit & Performance
Style: with Pre-Filter
These are an excellent, cost-effective alternative to OEM parts. The brushes and filters fit securely, restore full suction power, and hold up well to daily use. A must-have for maintaining a Eufy RoboVac without the high brand-name price tag.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Fits well
Style: with Pre-Filter
Good product
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Works great!
Style: with Pre-Filter
I bought this set to put on my original euphy robot vacuum. It works perfect! All pieces fit perfectly and were so easy to change out. I’ve had the new parts installed for a few weeks and it works so much better now. I recommend them for sure if you need any new parts for yours!
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Perfect Fit
Style: with Pre-Filter
These parts fit our vacuum perfectly and gave us replacements for almost everything. Quick shipping.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Best parts for the price
Style: with Pre-Filter
Just what I needed to get my vacuum back up and running.
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Reviewed in the United States on May 9, 2026
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