Make the list of talks more compact.

cv.tex

@@ -612,7 +612,7 @@ the digital service of Thales Group.
 \subsection*{Invited talks and seminars}
 \label{sec:talks}
 
-\begin{enumerate}
+\begin{enumerate}[itemsep=-1mm]
 \item Invited talk \textbf{P Systems with Reactive Membranes} at the
   Workshop on Intelligent Information Systems WIIS 2023, at the
   Institute of Mathematics and Computer Science ``Vladimir

hdr.tex

@@ -29,6 +29,7 @@
 \usepackage{titlesec}
 \usepackage{tabularx}
 \usepackage[backend=biber,style=numeric,maxbibnames=99,doi=false,url=false,defernumbers=true]{biblatex}
+\usepackage{enumitem}
 \usepackage{hyperref}
 
 \hypersetup{