diff --git a/_config.yml b/_config.yml
index 4aabcd6..c2bc184 100644
--- a/_config.yml
+++ b/_config.yml
@@ -3,6 +3,6 @@ author: Ed Bueler
 email: elbueler@alaska.edu
 github_username: bueler
 markdown: kramdown
-theme: jekyll-theme-cayman
 kramdown:
   math_engine: mathjax
+theme: jekyll-theme-cayman
diff --git a/index.md b/index.md
index 8ca9909..6009715 100644
--- a/index.md
+++ b/index.md
@@ -1,3 +1,20 @@
+<head>
+<script type="text/x-mathjax-config">
+  MathJax.Hub.Config({
+      extensions: ["tex2jax.js"],
+      tex2jax: {
+          inlineMath: [ ['$','$'], ["\\(","\\)"] ],
+          processEscapes: true,
+          processRefs: true,
+          processEnvironments: true
+      },
+      TeX: { equationNumbers: { autoNumber: "AMS" } }
+  });
+</script>
+<script type="text/javascript" async
+  src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
+</script>
+</head>
 
 This is the draft page of **Math 692 Graduate Seminar** in Spring 2023, in the [Dept. of Mathematics and Statistics](http://www.uaf.edu/dms/) at the [University of Alaska Fairbanks](http://www.uaf.edu/).
 
