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On the solvability and regularity of comparison problems for text fragments

✍ Scribed by G. V. Nikitov


Book ID
110194550
Publisher
SP MAIK Nauka/Interperiodica
Year
2006
Tongue
English
Weight
183 KB
Volume
46
Category
Article
ISSN
0965-5425

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We consider planar vector fields without zeroes ΞΎ and study the image of the associated Lie derivative operators L ΞΎ acting on the space of smooth functions. We show that the cokernel of L ΞΎ is infinite-dimensional as soon as ΞΎ is not topologically conjugate to a constant vector field and that, if t