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- Nikolai V Priezjev13 · h 28
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Showing 2014 · math.FAShow all
3 papers · 2 filters
math.FA2014★ 1 cited
Frames and Factorization of Graph Laplacians
Palle Jorgensen, Feng Tian
Using functions from electrical networks (graphs with resistors assigned to edges), we prove existence (with explicit formulas) of a canonical Parseval frame in the energy Hilbert…
math.FA2014★ 12 cited
Infinite networks and variation of conductance functions in discrete Laplacians
Palle Jorgensen, Feng Tian
For a given infinite connected graph and an arbitrary but fixed conductance function , we study an associated graph Laplacian ; it is a generalized difference o…
math.FA2014★ 2 cited
von Neumann indices and classes of positive definite functions
Palle Jorgensen, Feng Tian
With view to applications, we establish a correspondence between two problems: (i) the problem of finding continuous positive definite extensions of functions which are defined…