diff --git a/mkessler-operators.sty b/mkessler-operators.sty
index 2a0e8eb..05cef0c 100644
--- a/mkessler-operators.sty
+++ b/mkessler-operators.sty
@@ -135,3 +135,5 @@
 \DeclareMathOperator{\EXT}{EXT}
 \DeclareMathOperator{\Ind}{Ind}
 \DeclareMathOperator{\Char}{char}
+\DeclareMathOperator{\res}{res}
+\DeclareMathOperator{\infl}{inf}