Mittagsseminar (in cooperation with J. Lengler, A. Steger, and D. Steurer)

Date and Time: Tuesday, April 09, 2019, 12:15 pm

Duration: 30 minutes

Location: OAT S15/S16/S17

Speaker: Richard Montgomery (University of Birmingham )

Rainbow Spanning Tree Decompositions

Consider a proper edge colouring of a complete graph, so that no two touching edges share a colour. It is easy to find a tree containing every vertex whose edges are all different colours (that is, a rainbow spanning tree). Indeed, we can simply take all the edges around any one vertex. Finding many edge-disjoint rainbow spanning trees is a much more difficult task. This talk will address this question, including a solution for a natural large class of edge colourings. This is joint work with Stefan Glock, Daniela Kühn and Deryk Osthus

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