Split PDE slides into sessions 6 and 7

Author: Daniel Precioso, PhD

slide-library.qmd

@@ -47,9 +47,16 @@ Graph structure, centrality, spreading, and real datasets.
 
 ::: {.card}
 ### Session 6
-[PDEs](slides/06_pde.qmd)
+[PDEs in 1D](slides/06_pde_1d.qmd)
 
-Finite differences, Turing instability, and Gray-Scott patterns.
+Boundary conditions, vectorized Laplacians, explicit Euler, Turing space, and unstable modes.
+:::
+
+::: {.card}
+### Session 7
+[PDEs in 2D](slides/07_pde_2d.qmd)
+
+Rectangular grids, mode pairs, Gierer-Meinhardt in 2D, and the Gray-Scott lab.
 :::
 
 ::: {.card}