Indira Chatterji studies geometric group theory. Her joint work with Graham Niblo develops a route from actions on a wallspace to actions on a CAT(0) cube complex.[ref]
From wall spaces to CAT(0) cube complexes by Indira Chatterji and Graham Niblo. Original byline and abstract
The distinction between a distance and a pseudometric matters here: different points can be separated by no walls. Counting walls still records enough separation information to support a cubical construction and transfer proper-action properties under the paper's hypotheses.[ref]
From wall spaces to CAT(0) cube complexes by Indira Chatterji and Graham Niblo. Section 1 and main construction
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Indira Chatterji is a prominent figure in the field of Indian classical music, particularly known for her contributions to the art of Hindustani music. She is recognized for her performances, teaching, and research in this area. Chatterji may also be associated with various cultural and educational initiatives aimed at promoting Indian music and heritage.