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Description
The Theory of Lie Derivatives and Its ApplicationsDifferential geometry has become one of the most active areas of math publishing, yet a small list of older, unofficial classics continues to interest the contemporary generation of mathematicians and students. This advanced treatment of topics in differential geometry, first published in 1957, was praised as "well written" by The American Mathematical Monthly and hailed as "undoubtedly a valuable addition to the literature." Its topics include:
Differential geometry has become one of the most active areas of math publishing, yet a small list of older, unofficial classics continues to interest the contemporary generation of mathematicians and students. This advanced treatment of topics in differential geometry, first published in 1957, was praised as "well written" by The American Mathematical Monthly and hailed as "undoubtedly a valuable addition to the literature." Its topics include:- Spaces with a non-vanishing curvature tensor that admit a group of automorphisms of the maximum order
- Groups of transformations in generalized spaces
- The study of global properties of the groups of motions in a compact orientable Riemannian space
- Lie derivatives in an almost complex space
For advanced undergraduates and graduate students in mathematics
Binding Type: Paperback
Publisher: Dover Publications
Published: 05/21/2020
ISBN: 9780486842097
Pages: 320
Weight: 0.90lbs
Size: 8.90h x 5.90w x 0.70d
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★★★★★ 5
Worth it for peace of mind to have in car
Works as described. Have used twice now. Takes a few minutes but will put air in tire. The cord is long enough to reach every tire.
Certainly loud when using
car must be on to use
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Reviewed in the United States on February 19, 2026
★★★★★ 5
Great true inflator
Great tire inflator also own a jumper pack in this brand, easy to use and great function to set the disired psi and auto shut off.
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Reviewed in the United States on January 18, 2026
★★★★★ 5
Delivers great PSI for a small package
Unit works great ! I love the fact you can preset the psi. cut off ( I had to pump up some air shocks to 135 the unit did it with no problem ! )
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Reviewed in the United States on May 6, 2026
★★★★★ 4
Good inflator
Not the best one but works well!
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Excellent Value for Price
I highly recommend one of these in your vehicle for emergencies. Don't fall for those handheld cordless ones you see on social media. Those will only inflate 1-2 tires before depleting. You have unlimited power for the plugins and it will inflate at least 4x faster.
The AstroAI is compact, lightweight and powerful for its price. Everything folds into its rectangular form factor for easy storage. The UI is simple and to the point. You can easily set the target pressure and it will auto stop. It's also a nice looking design with black and yellow which are common colors for power tools and emergency equipment.
If I were being picky, the 2 minor cons that you'll find in other brands are: no option to plug into wall outlet & doesn't come with a case or bag.
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Reviewed in the United States on November 22, 2025
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