Homology, Homotopy and Applications

Volume 22 (2020)

Number 1

Nontrivial example of the composition of the brane product and coproduct on Gorenstein spaces

Pages: 333 – 341

DOI: https://dx.doi.org/10.4310/HHA.2020.v22.n1.a19


Shun Wakatsuki (Graduate School of Mathematical Sciences, University of Tokyo, Meguro-ku, Tokyo, Japan)


We give an example of a space with nontrivial composition of the brane product and the brane coproduct, which we introduced in a previous article.


string topology, brane topology, rational homotopy theory

2010 Mathematics Subject Classification

55P50, 55P62

Copyright © 2020, Shun Wakatsuki. Permission to copy for private use granted.

This article was revised on June 29, 2022 to correct the names used for internal cross-references.

Received 16 June 2019

Received revised 8 July 2019

Accepted 12 July 2019

Published 8 January 2020