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The α-orthogonal complements of regular Dirichlet subspaces for one-dimensional Brownian motion

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Abstract

Roughly speaking a regular Dirichlet subspace of a Dirichlet form is a subspace which is also a regular Dirichlet form on the same state space. In particular, the domain of regular Dirichlet subspace is a closed subspace of the Hilbert space induced by the domain and α-inner product of original Dirichlet form. We investigate the orthogonal complement of regular Dirichlet subspace for one-dimensional Brownian motion in this paper. Our main results indicate that this orthogonal complement has a very close connection with the α-harmonic equation under Neumann type condition.

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Correspondence to LiPing Li.

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Li, L., Song, X. The α-orthogonal complements of regular Dirichlet subspaces for one-dimensional Brownian motion. Sci. China Math. 59, 2019–2026 (2016). https://doi.org/10.1007/s11425-014-0869-1

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  • DOI: https://doi.org/10.1007/s11425-014-0869-1

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