Schedule and Recordings Talks at OAL-RAG 2026
Schedule and Recordings Talks at OAL-RAG 2026
(Order, Algebra, Logic, and Real Algebraic Geometry, 2026)
at Louisiana State University
| Here, days and times refer to local, Baton Rouge time ("Central Daylight Time" or "UTC - 5"). | |||
| When it is 12:00 Noon in Baton Rouge, it is 10:00 AM in Pacific time, 1:00 PM in Eastern time, 6:00 PM in England, 7:00 PM in France, Czech Republic, Germany, Poland, and Spain, and 8:30 PM in Iran. | |||
| Thursday, May 7, 2026 | |||
| 6:00-8:00 PM | Dinner at The Chimes restaurant (3357 Highland Road, at Chimes Street, Baton Rouge; not paid for by conference). | ||
| Friday, May 8, 2026; lectures in Room 232 Lockett Hall, LSU | |||
| (5-10 min. | of Q&A allowed after each talk.) | (Click on lecture title below for abstract.) | Post-conference links to lecture videos (Zoom). You can toggle between "speaker view" and "gallery view". |
| 6:00-9:30 AM | Hot breakfast at Cook Hotel. | ||
| 8:30-9:00 | Coffee & registration, Room 232 Lockett Hall. | ||
| 9:00-9:05 | Charles Delzell and James Madden | Welcome and introduction. | May 8 lectures (scroll to 0:00-0:04 for Welcome & Intro) |
| 9:05-9:45 | Papiya Bhattacharjee | Concerning Max$_j(L)$. | May 8 lectures (scroll to 0:04-0:52 for Bhattacharjee) |
| 10:00-10:40 | Warren McGovern | Algebraic Frames. | May 8 lectures (scroll to 0:58-1:41 for McGovern) |
| 10:45-10:55 (originally scheduled for 11:40-11:50) | Group photo, outside steps of Lockett Hall (on the side facing the Quadrangle). | ||
| 10:55-11:25 | Ramiro H. Lafuente-Rodriguez | The Alexandroff property in the spectrum and extremal refinements of algebraic frames. | May 8 lectures (scroll to 1:54-2:21 for Lafuente-Rodriguez) |
| 11:40 AM-1:20 PM | Lunch (not organized by conference). | ||
| 1:30-1:50 (originally scheduled for 2:30) | Manuel Lopez del Castillo | On hyper-complemented rings. | May 8 lectures (scroll to 2:21-2:52 for del Castillo) |
| 2:00-2:20 | James Klinkenberg | Weak disjointification and Max$_d(L)$. | May 8 lectures (scroll to 2:52-3:17 for Klinkenberg) |
| 2:30-2:50 (originally scheduled for 1:30) | Christian Corbett | An extension construction for algebraic frames and $M$-frames. | May 8 lectures (scroll to 3:22-3:56 for Corbett) |
| 3:10-3:50 | Joanne Walters-Wayland | The scaffolding of a completely regular frame. | May 8 lectures (scroll to 4:01-4:48 for Walters-Wayland) |
| 4:00-4:40 | Rick Ball,$^*$ Anthony Hager, & Joanne Walters-Wayland | \(\lambda\)-repletions in \(\mathbf{W}\). | May 8 lectures (scroll to 4:55-5:43 for Ball) |
| 6:00- PM | Catered dinner at Chip & Brigitte Delzell's home. | ||
| Saturday, May 9, 2026;
lectures in Room 232 Lockett Hall, LSU | |||
| (5-10 min. | of Q&A allowed after each talk.) | (Click on lecture title below for abstract.) | Post-conference links to lecture videos (Zoom) |
| 6:00-9:30 AM | Hot breakfast at Cook Hotel. | ||
| 9:00-9:40 | Zbigniew Hajto (remote talk) | Some applications of real differential algebra in Galois theory and affine algebraic geometry. | May 9 lectures (scroll to 0:00-0:48 for Hajto; missing first 30 seconds of talk) | /tr>
| 10:00-10:40 | Anand Pillay (remote talk) | Groups definable in real closed fields with a generic derivation. | May 9 lectures (scroll to 0:55-1:44 for Pillay) |
| 11:00-11:40 | Wieslaw Kubis & Franz-Viktor Kuhlmann$^*$ (remote talk) | Chain union closures and convexity. | May 9 lectures (scroll to 1:56-2:48 for Kuhlmann) |
| 11:50 AM-1:15 PM | Lunch break (not organized by conference). | ||
| 1:30-2:10 | José F. Fernando Galván (remote talk) | Positive semidefinite elements and sums of squares in local henselian rings. | May 9 lectures (scroll to 2:51-3:34 for Fernando Galván) |
| 2:30-3:00 | James J. Madden | The free weak-unital vector lattice over a vector lattice. | May 9 lectures (scroll to 3:34-4:10 for Madden) |
| 3:15-3:45 | Ricardo Carrera* and Anthony Hager (remote talk) | A classification of hull operators in $\mathbf W$. | May 9 lectures (scroll to 4:20-5:05 for Carrera) |
| 6:00-8:00 PM | Dinner at The Chimes restaurant (3357 Highland Road, at Chimes Street, Baton Rouge; not paid for by conference). | ||
| Sunday, May 10,
2026; lectures in Room 232 Lockett Hall, LSU | |||
| (5-10 min. | of Q&A allowed after each talk.) | (Click on lecture title below for abstract.) | Post-conference links to lecture videos (Zoom) |
| 6:00-9:30 AM | Hot breakfast at Cook Hotel. | ||
| 9:00-9:40 | Marcus Tressl (remote talk) | Every join semilattice with smallest element is isomorphic to the semilattice of compact open sets of some space. | |
| 10:00-10:30 | John Stokes-Waters (remote talk) | A model companion for Abelian lattice-ordered groups with a valuation. | |
| 10:45-11:25 | Brian Wynne | More existentially closed prime-model extensions of Archimedean lattice-ordered groups with strong unit. | |
| 11:45 | End of conference. | ||
All lectures held in 232 Lockett Hall, LSU.
Last updated April 29, 2026.