diff --git a/lectures/parallelism/slides.qmd b/lectures/parallelism/slides.qmd
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@@ -49,8 +49,9 @@ while ( t < 50 ){
 ```
 
 # Decomposing problem domains
-## Our problem domain
-FIXME
+## Our example problem domain
+
+![](static/parallel_lecture_domain.png){width=75%}
 
 ## Other problem domains
 
diff --git a/lectures/parallelism/static/parallel_lecture_domain.png b/lectures/parallelism/static/parallel_lecture_domain.png
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