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math.CO2017
Maximizing Wiener Index for Trees with Given Vertex Weight and Degree Sequences
Mikhail Goubko
The Wiener index is maximized over the set of trees with the given vertex weight and degree sequences. This model covers the traditional "unweighed" Wiener index, the terminal Wien…
math.OC2017
Improved Spectral Clustering for Multi-Objective Controlled Islanding of Power Grid
Mikhail Goubko, Vasily Ginz
We propose a two-step algorithm for optimal controlled islanding that partitions a power grid into islands of limited volume while optimizing several criteria: high generator coher…