Irene Pivotto

activity

20112019

most citedIsomorphism for even cycle matroids - I

1 citations · 3 across the 9 of their papers we have counts for

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Showing 2016Show all

2 papers · 1 filter

math.CO2016

Matrix representations of frame and lifted-graphic matroids correspond to gain functions

Daryl Funk, Irene Pivotto, Daniel Slilaty

Let $M$ be a 3-connected matroid and let $F$ be a field. Let $A$ be a matrix over $F$ representing $M$ and let $(G, B)$ be a biased graph representing $M$ .…

math.CO2016★ 1 cited

The circular altitude of a graph

John Bamberg, Brian Corr, Alice Devillers +3

In this paper we investigate a parameter of graphs, called the circular altitude, introduced by Peter Cameron. We show that the circular altitude provides a lower bound on the circ…