| Date | Speaker | Title | References |
| February 3 | Melissa Liu | Virtual fundamental classes in algebraic geometry |
Behrend-Fantechi |
| February 10 | Melissa Liu | Virtual fundamental classes and enumerative geometry |
Behrend, Ciocan-Fontanine, Kim, Maulk |
| February 17 | Song Yu | The Crepant Transformation Conjecture for toric Deligne-Mumford stacks |
Coates-Iritani-Jiang |
| February 24 | Song Yu | The Crepant Transformation Conjecture for toric Deligne-Mumford stacks II |
Coates-Iritani-Jiang, Iritani |
| March 3 | Che Shen | Quantum Groups and Quantum Cohomology |
Maulik-Okounkov |
| March 10 | Che Shen | Quantum Groups and Quantum Cohomology II |
Maulik-Okounkov |
| March 17 | No Seminar | Spring break | |
| March 24 | Kevin Chang | Donaldson-Thomas type invariants via microlocal geometry |
Behrend |
| March 31 | Kevin Chang |
Donaldson-Thomas type invariants via microlocal geometry II |
Behrend , Behrend-Fantechi08 |
| April 7 | Konstantin Aleshkin |
Inductive construction of stable envelopes |
Okounkov |
| April 14 | Konstantin Aleshkin |
Inductive construction of stable envelopes II |
Okounkov |
| April 21 | Patrick Lei |
DT/PT correspondence using motivic Hall algebras |
Beentjes-Calabrese-Rennemo,
Bridgeland |
| April 28 | Patrick Lei |
The DT crepant resolution conjecture | Beentjes-Calabrese-Rennemo |