Add slides from SIAM OP

_posts/2025-10-23-jump_dev_2026.md

@@ -64,6 +64,23 @@ A preliminary schedule is as follows, and is subject to change at any time.
 
 {%include jump-dev-2026-schedule.html %}
 
+### SIAM OP26
+
+We also organized two sessions at [SIAM OP26](https://www.siam.org/conferences-events/siam-conferences/op26/),
+which took place in the week following JuMP-dev. There were six talks, but no
+video recordings:
+
+ * _The state of JuMP_, by Miles Lubin [[slides](/assets/jump-dev-workshops/2026/slides_siam_jump.pdf)]
+ * _MathOptAI.jl: Embed Machine Learning Predictors into a JuMP Model_, by Oscar
+   Dowson [[slides](/assets/jump-dev-workshops/2026/slides_siam_mathoptai.pdf)]
+ * _InfiniteMathOptAI.jl: Embedding Surrogates for Infinite-Dimensional
+   Optimization_, by Joshua Pulsipher
+ * _ApplicationDrivenLearning.jl a Framework to Train Forecast Models with
+   Application-driven Cost Functions_, by Giovanni Amorim, Joaquim Dias Garcia,
+   and Alexandre Street
+ * _The State of ExaModels_, by Sungho Shin, Alexis Montoison, and François Pacaud
+ * _Adding array support for JuMP’s Automatic Differentiation_, by Benoît Legat
+
 ## Venue
 
 The workshop will take place in downtown Edinburgh.