University of Birmingham > Talks@bham > Combinatorics and Probability Seminar > Optimal Resistor Networks

## Optimal Resistor NetworksAdd to your list(s) Download to your calendar using vCal - Mark Walters (Queen Mary)
- Thursday 09 March 2017, 15:00-16:00
- LTC Watson.
If you have a question about this talk, please contact Dr Andrew Treglown. Given a graph on n vertices with m edges, each of unit resistance, how small can the average resistance between pairs of vertices be? There are two very plausible extremal constructions—graphs like a star, and graphs which are close to regular—with the transition between them occurring when the average degree is 3. However, we show that there is a rather surprising construction which is better. This talk is part of the Combinatorics and Probability Seminar series. ## This talk is included in these lists:Note that ex-directory lists are not shown. |
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