typo

victorballester7 · Dec 1, 2023 · 546b252 · 546b252
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commit 546b252
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/...s/5th/Introduction_to_nonlinear_elliptic_PDEs/Introduction_to_nonlinear_elliptic_PDEs.tex b/...s/5th/Introduction_to_nonlinear_elliptic_PDEs/Introduction_to_nonlinear_elliptic_PDEs.tex
@@ -258,7 +258,7 @@
   \begin{definition}
     Let $H$ be a $\KK$-Hilbert space and $K:H\to H$ be a compact operator. We define the \emph{resolvent set} of $K$ as:
     $$
-      \rho(K)=\{\lambda\in \KK: \lambda-K \text{ is invertible}\}
+      \rho(K)=\{\lambda\in \KK: \lambda\id-K \text{ is invertible}\}
     $$
     and the \emph{spectrum} of $K$ as:
     $$