These recordings do not require passwords, but you may have to login after clicking on the links. These are the lectures from 2020.

19A Multicommodity Network Flow Problems

Part 1 (7:18)

Link: https://rensselaer.webex.com/webappng/sites/rensselaer/recording/play/39eb1001a2f54b869f1b32fc3aa293a9

Part 2 (6:09)

Link: https://rensselaer.webex.com/webappng/sites/rensselaer/recording/play/95cf6ad2352d4f198397e74fb8e10395

Part 3 (21.23)

Link: https://rensselaer.webex.com/webappng/sites/rensselaer/recording/play/65ad9e56c7ee49a2a193b853a68497f2

19B The Traveling Salesman Problem

Part 1 (9:17)

Link: https://rensselaer.webex.com/webappng/sites/rensselaer/recording/play/96de07af9d9a41288a069f61484f029b

Part 2 (10:30)

Link: https://www.dropbox.com/s/1dy3jxbeak7lq79/19B2_tsp2.mp4?dl=0

(Parts 2 and 3 are on Dropbox, because I had to edit the webex file, because my answering machine kicked in.)

Part 3 (3:23)

Link: https://www.dropbox.com/s/ptt4nqnhdiqsfbr/19B2_tsp3.mp4?dl=0

Part 4 (16:39)

Link: https://rensselaer.webex.com/webappng/sites/rensselaer/recording/play/892f330bbcb34c4387d7b62b67d15f93