output
20062020
most citedProspects for Fundamental Physics with LISA

401 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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5 papers · 1 filter

math.AT2019

A Motion Planning Algorithm in a lollipop graph

Allaoua Boughrira, Hellen Colman

This paper is concerned with problems relevant to motion planning in robotics. Configuration spaces are of practical relevance in designing safe control schemes for robots moving o…

math.AT2015

Free and based path groupoids

Andres Angel, Hellen Colman

We give an explicit description of the free path and loop groupoids in the Morita bicategory of translation topological groupoids. We prove that the free path groupoid of a discret…

math.AT2012★ 24 cited

Equivariant topological complexity

Hellen Colman, Mark Grant

We define and study an equivariant version of Farber's topological complexity for spaces with a given compact group action. This is a special case of the equivariant sectional cate…

math.AT2009

The Lusternik-Schnirelmann category of a Lie groupoid

Hellen Colman

We propose a new homotopy invariant for Lie groupoids which generalizes the classical Lusternik-Schnirelmann category for topological spaces. We use a bicategorical approach to dev…

math.AT2006★ 1 cited

On the 1-homotopy type of Lie groupoids

Hellen Colman

We propose a notion of 1-homotopy for generalized maps. This notion generalizes those of natural transformation and ordinary homotopy for functors. The 1-homotopy type of a Lie gro…