In part 1 we construct a diffeomorphism invariant (Colombeau-type) differential algebra canonically containing the space of distributions in the sense of L. Schwartz. Employing differential calculus in infinite dimensional (convenient) vector spaces, previous attempts in this direction are unified and completed. Several classification results are achieved and applications to nonlinear differential equations involving singularities are given. Part 2 gives a comprehensive analysis of algebras of Colombeau-type generalized functions in the range between the diffeomorphism-invariant quotient algebra ${\mathcal G}^d = {\mathcal E}_M/{\mathcal N}$ introduced in part 1 and Colombeau's original algebra ${\mathcal G}^e$.Three main results are established: first, a simple criterion describing membership in ${\mathcal N}$ (applicable to all types of Colombeau algebras) is given; second, two counterexamples demonstrate that ${\mathcal G}^d$ is not injectively included in ${\mathcal G}^e$; and finally, it is shown that in the range ""between"" ${\mathcal G}^d$ and ${\mathcal G}^e$ only one more construction leads to a diffeomorphism invariant algebra. In analyzing the latter, several classification results essential for obtaining an intrinsic description of ${\mathcal G}^d$ on manifolds are derived.

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**Book Description **American Mathematical Society, United States, 2001. Paperback. Book Condition: New. Language: English . Brand New Book. In part 1 we construct a diffeomorphism invariant (Colombeau-type) differential algebra canonically containing the space of distributions in the sense of L. Schwartz. Employing differential calculus in infinite dimensional (convenient) vector spaces, previous attempts in this direction are unified and completed. Several classification results are achieved and applications to nonlinear differential equations involving singularities are given. Part 2 gives a comprehensive analysis of algebras of Colombeau-type generalized functions in the range between the diffeomorphism-invariant quotient algebra ${ mathcal G}^d = { mathcal E} M/{ mathcal N}$ introduced in part 1 and Colombeau s original algebra ${ mathcal G}^e$.Three main results are established: first, a simple criterion describing membership in ${ mathcal N}$ (applicable to all types of Colombeau algebras) is given; second, two counterexamples demonstrate that ${ mathcal G}^d$ is not injectively included in ${ mathcal G}^e$; and finally, it is shown that in the range between ${ mathcal G}^d$ and ${ mathcal G}^e$ only one more construction leads to a diffeomorphism invariant algebra. In analyzing the latter, several classification results essential for obtaining an intrinsic description of ${ mathcal G}^d$ on manifolds are derived. Bookseller Inventory # AAN9780821827291

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Published by
American Mathematical Society, United States
(2001)

ISBN 10: 0821827294
ISBN 13: 9780821827291

New
Paperback
Quantity Available: 1

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**Book Description **American Mathematical Society, United States, 2001. Paperback. Book Condition: New. Language: English . Brand New Book. In part 1 we construct a diffeomorphism invariant (Colombeau-type) differential algebra canonically containing the space of distributions in the sense of L. Schwartz. Employing differential calculus in infinite dimensional (convenient) vector spaces, previous attempts in this direction are unified and completed. Several classification results are achieved and applications to nonlinear differential equations involving singularities are given. Part 2 gives a comprehensive analysis of algebras of Colombeau-type generalized functions in the range between the diffeomorphism-invariant quotient algebra ${ mathcal G}^d = { mathcal E} M/{ mathcal N}$ introduced in part 1 and Colombeau s original algebra ${ mathcal G}^e$.Three main results are established: first, a simple criterion describing membership in ${ mathcal N}$ (applicable to all types of Colombeau algebras) is given; second, two counterexamples demonstrate that ${ mathcal G}^d$ is not injectively included in ${ mathcal G}^e$; and finally, it is shown that in the range between ${ mathcal G}^d$ and ${ mathcal G}^e$ only one more construction leads to a diffeomorphism invariant algebra. In analyzing the latter, several classification results essential for obtaining an intrinsic description of ${ mathcal G}^d$ on manifolds are derived. Bookseller Inventory # AAN9780821827291

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Published by
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ISBN 13: 9780821827291

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**Book Description **American Mathematical Society, 2001. PAP. Book Condition: New. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Bookseller Inventory # CE-9780821827291

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**Book Description **Amer Mathematical Society, 2001. Paperback. Book Condition: Brand New. 93 pages. 9.84x6.85x0.31 inches. In Stock. Bookseller Inventory # __0821827294

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