Patrick D. Shipman

activity

20112022

most citedPersistence Images: A Stable Vector Representation of Persistent Homology

172 citations · 216 across the 9 of their papers we have counts for

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Showing 2016Show all

2 papers · 1 filter

math-ph2016

Informing the structure of complex Hadamard matrix spaces using a flow

Francis C. Motta, Patrick D. Shipman

The defect of a complex Hadamard matrix $H$ is an upper bound for the dimension of a continuous Hadamard orbit stemming from $H$ . We provide a new interpretation of the defect as t…

math.CO2016

An Unoriented Variation on de Bruijn Sequences

Christie S. Burris, Francis C. Motta, Patrick D. Shipman

For positive integers $k, n$ , a de Bruijn sequence $B (k, n)$ is a finite sequence of elements drawn from $k$ characters whose subwords of length $n$ are exactly the $k^{n}$ words of le…