Update PhD PDF link

Author: git-steb

Gemfile.lock

@@ -210,6 +210,8 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.17.0)
+    nokogiri (1.14.2-arm64-darwin)
+      racc (~> 1.4)
     nokogiri (1.14.2-x86_64-darwin)
       racc (~> 1.4)
     octokit (4.25.1)
@@ -250,6 +252,7 @@ GEM
     webrick (1.8.1)
 
 PLATFORMS
+  arm64-darwin-22
   x86_64-darwin-22
 
 DEPENDENCIES

_posts/2011-12-18-phd-thesis.markdown

@@ -22,6 +22,6 @@ By assigning optical properties to data using a spectral light model, it becomes
 
 To help modellers to cope with the freedom in a large design space of synthetic lights and materials, I devise a method that generates a palette of presets that globally optimize user-specified criteria and regularization. This is augmented with two alternative user interfaces to unobtrusively choose a desired mixture.
 
-[phdpdf]: http://summit.sfu.ca/system/files/iritems1/12089/etd7005_SBergner.pdf "PhD thesis PDF file"
+[phdpdf]: https://summit.sfu.ca/_flysystem/fedora/sfu_migrate/12089/etd7005_SBergner.pdf "PhD thesis PDF file"
 [phdpresent]: {{ site.baseurl }}/assets/pub/bergner-phd-presentation.pdf "PhD seminar presentation"
 [phdlibrary]: http://summit.sfu.ca/item/12089 "Making choices in multi-dimensional parameter spaces"