\begin{thebibliography}{4}
\providecommand{\natexlab}[1]{#1}
\providecommand{\url}[1]{\texttt{#1}}
\expandafter\ifx\csname urlstyle\endcsname\relax
  \providecommand{\doi}[1]{doi: #1}\else
  \providecommand{\doi}{doi: \begingroup \urlstyle{rm}\Url}\fi

\bibitem[Agarwal et~al.(2023)Agarwal, Jiang, Kakade, and Sun]{ajks}
Alekh Agarwal, Nan Jiang, Sham~M Kakade, and Wen Sun.
\newblock \emph{Reinforcement learning: Theory and algorithms}.
\newblock 2023.

\bibitem[Krueger et~al.(2016)Krueger, Leike, Evans, and Salvatier]{activerl}
David Krueger, Jan Leike, Owain Evans, and John Salvatier.
\newblock Active reinforcement learning: Observing rewards at a cost.
\newblock \emph{NeurIPS Future of Interactive Learning Machines (FILM)
  workshop}, 2016.

\bibitem[Schulze and Evans(2018)]{owain}
Sebastian Schulze and Owain Evans.
\newblock Active reinforcement learning with monte-carlo tree search.
\newblock \emph{CoRR}, abs/1803.04926, 2018.
\newblock URL \url{http://arxiv.org/abs/1803.04926}.

\bibitem[Slivkins(2019)]{mabintro}
Aleksandrs Slivkins.
\newblock Introduction to multi-armed bandits, 2019.
\newblock URL \url{https://arxiv.org/abs/1904.07272}.

\end{thebibliography}
