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On eigenfunctions of Markov processes on trees (2007)
| Content Provider | CiteSeerX |
|---|---|
| Author | Miclo, Laurent |
| Description | We begin by studying the eigenvectors associated to irreducible finite birth and death processes, showing that the ith nontrivial eigenvector ϕi admits a succession of i decreasing or increasing stages, each of them crossing zero. Imbedding naturally the finite state space into a continuous segment, one can unequivocally define the zeros of ϕi, which are interlaced with those of ϕi+1. These kind of results are deduced from a general investigation of minimax multi-sets Dirichlet eigenproblems, which leads to a direct construction of the eigenvectors associated to birth and death processes. This approach can be generically extended to eigenvectors of Markov processes living on trees. This enables to reinterpret the eigenvalues and the eigenvectors in terms of the previous Dirichlet eigenproblems and a more general conjecture is presented about related higher order Cheeger inequalities. Finally, we carefully study the geometric structure of the eigenspace associated to the spectral gap on trees. |
| File Format | |
| Language | English |
| Publisher Date | 2007-01-01 |
| Publisher Institution | Preprint, available on http://hal.ccsd.cnrs.fr/ccsd-00147865 |
| Access Restriction | Open |
| Subject Keyword | Previous Dirichlet Eigenproblems Finite Birth Ith Nontrivial Eigenvector Death Process Order Cheeger Inequality Geometric Structure General Investigation General Conjecture Minimax Multi-sets Dirichlet Eigenproblems Spectral Gap Markov Process Continuous Segment Finite State Space Direct Construction |
| Content Type | Text |
| Resource Type | Article |