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HOME > Table of Contents and Abstracts > Vol. 71, No. 2
Tohoku Mathematical Journal
2019
June
SECOND SERIES VOL. 71, NO. 2
Tohoku Math. J.
71 (2019), 221-241
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Title
QUINARY LATTICES AND BINARY QUATERNION HERMITIAN LATTICES
Author
Yusuke Miura
(Received January 20, 2017, revised March 21, 2017) |
Abstract.
In this paper, we study those Girsanov transformations of symmetric Markov processes which preserve the symmetry. Employing a criterion for uniform integrability of exponential martingales due to Chen [3], we identify the class of transformations which transform the original process into a conservative one, even if the original one is explosive. We also consider the class of transformations which transform to a recurrent one. In [14, 22], the same problems are studied for symmetric diffusion processes. Our main theorem is an extension of their results to symmetric Markov processes with jumps.
Mathematics Subject Classification.
Primary 31C25; Secondary 60J25.
Key words and phrases.
Symmetric Markov process, Girsanov transform, Dirichlet form, Schrödinger form.
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