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Hölder Continuous Euler Flows in Three Dimensions with Compact Support in Time

Hölder Continuous Euler Flows in Three Dimensions with Compact Support in Time Natural Sciences

Hölder Continuous Euler Flows in Three Dimensions with Compact Support in Time

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Description
Motivated by the theory of turbulence in fluids, the physicist and chemist Lars Onsager conjectured in 1949 that weak solutions to the incompressible Euler equations might fail to conserve energy if their spatial regularity was below 1/3-Hölder. In this book, Philip Isett uses the method of convex integration to achieve the best-known results regarding nonuniqueness of solutions and Onsager's conjecture. Focusing on the intuition behind the method, the ideas introduced now play a pivotal role in the ongoing study of weak solutions to fluid dynamics equations. The construction itself-an intricate algorithm with hidden symmetries-mixes together transport equations, algebra, the method of nonstationary phase, underdetermined partial differential equations (PDEs), and specially designed high-frequency waves built using nonlinear phase functions. The powerful "Main Lemma"-used here to construct nonzero solutions with compact support in time and to prove nonuniqueness of solutions to the initial value problem-has been extended to a broad range of applications that are surveyed in the appendix. Appropriate for students and researchers studying nonlinear PDEs, this book aims to be as robust as possible and pinpoints the main difficulties that presently stand in the way of a full solution to Onsager's conjecture.
Product details
Edition:
1
Number of Pages:
216
Release Date:
2017-02-21
Publication Date:
2017-02-21
Publisher:
Princeton University Press
Languages:
Original: English
ISBN10:
0691174822
ISBN13:
9780691174822
GPSR Manufacturer Reference:
Weight:
431 g
Height:
157 cm
Width:
239 cm
Thickness:
18 cm
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