Schedule of OAL-RAG 2026

Schedule of OAL-RAG 2026

Schedule of OAL-RAG 2026 (Order, Algebra, Logic, and Real Algebraic Geometry)
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 (youtube)
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.  
9:05-9:45 Papiya Bhattacharjee Concerning Max$_j(L)$.  
10:00-10:40 Warren McGovern Algebraic Frames.  
10:55-11:25 Ramiro H. Lafuente-Rodriguez The Alexandroff property in the spectrum and extremal refinements of algebraic frames.  
11:40-11:50   Group photo, outside steps of Lockett Hall (on the side facing the Quadrangle).  
11:50 AM-1:20 PM   Lunch (not organized by conference).  
1:30-1:50 Christian Corbett An extension construction for algebraic frames and $M$-frames.  
2:00-2:20 James Klinkenberg Weak disjointification and Max$_d(L)$.  
2:30-2:50 Manuel Lopez del Castillo On hyper-complemented rings.  
3:10-3:50 Joanne Walters-Wayland The scaffolding of a completely regular frame.  
4:00-4:40 Rick Ball,$^*$ Anthony Hager, & Joanne Walters-Wayland \(\lambda\)-repletions in \(\mathbf{W}\).
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 (youtube)
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.  
10:00-10:40 Anand Pillay (remote talk) Groups definable in real closed fields with a generic derivation.  
11:00-11:40 Wieslaw Kubis & Franz-Viktor Kuhlmann$^*$ (remote talk) Chain union closures and convexity.  
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.  
2:30-3:00 James J. Madden The free weak-unital vector lattice over a vector lattice.  
3:15-3:45 Ricardo Carrera* and Anthony Hager (remote talk) A classification of hull operators in $\mathbf W$.  
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 (youtube)
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.

Back to OAL-RAG 2026.

Last updated April 29, 2026.