1. Configuration spaces of disks in an infinite strip

   • Hannah Alpert
   • Matthew Kahle
   • Robert MacPherson

   OriginalPaper 12 May 2021 Pages: 357 - 390

   

2. Ripser: efficient computation of Vietoris–Rips persistence barcodes

   • Ulrich Bauer

   OriginalPaper Open access 17 June 2021 Pages: 391 - 423

   

3. Improved approximate rips filtrations with shifted integer lattices and cubical complexes

   • Aruni Choudhary
   • Michael Kerber
   • Sharath Raghvendra

   OriginalPaper Open access 15 May 2021 Pages: 425 - 458

   

4. A computational framework for connection matrix theory

   • Shaun Harker
   • Konstantin Mischaikow
   • Kelly Spendlove

   OriginalPaper 31 May 2021 Pages: 459 - 529

   

5. Correction to: A higher Boltzmann distribution

   • Michael J. Catanzaro
   • Vladimir Y. Chernyak
   • John R. Klein

   Correction 24 July 2021 Pages: 531 - 532