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@@ -20,7 +20,7 @@ slug: Publications
   <b>GhostCell: Separating Permissions from Data in Rust</b><br/>
   Joshua Yanovski, Hoang-Hai Dang, Ralf Jung, Derek Dreyer<br>
   <i>In <a href="https://icfp21.sigplan.org/">ICFP 2021</a></i><br>
-  [<a href="http://plv.mpi-sws.org/rustbelt/ghostcell/paper.pdf">paper</a>] [<a href="http://plv.mpi-sws.org/rustbelt/ghostcell/">paper website</a>  (incl. Coq formalization)]
+  [<a href="https://plv.mpi-sws.org/rustbelt/ghostcell/paper.pdf">paper</a>] [<a href="https://plv.mpi-sws.org/rustbelt/ghostcell/">paper website</a>  (incl. Coq formalization)]
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 <ul><li>
@@ -171,6 +171,6 @@ slug: Publications
 <ul><li>
   <b>Unifying Worlds and Resources</b><br/>
   Ralf Jung, Derek Dreyer<br>
-  <i>At <a href="http://users-cs.au.dk/birke/hope-2015/">HOPE 2015</a>: 4th ACM SIGPLAN Workshop on Higher-Order Programming with Effects</i><br>
+  <i>At <a href="https://users-cs.au.dk/birke/hope-2015/">HOPE 2015</a>: 4th ACM SIGPLAN Workshop on Higher-Order Programming with Effects</i><br>
   [<a href="iris/talk-hope2015.pdf">slides</a>] [<a href="https://www.youtube.com/watch?v=9Dyna88piek&amp;list=PLnqUlCo055hX6SsmMr1AmW6quMjvdMPvK&amp;index=10" target="_blank">YouTube</a>]
 </li></ul>