diff options
Diffstat (limited to 'roughgarden.tex')
| -rw-r--r-- | roughgarden.tex | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/roughgarden.tex b/roughgarden.tex new file mode 100644 index 0000000..29a61df --- /dev/null +++ b/roughgarden.tex @@ -0,0 +1,85 @@ +\documentclass[12pt]{article} +\usepackage[T1]{fontenc} +\usepackage[utf8]{inputenc} +\usepackage[hmargin=1.2in, vmargin=1.2in]{geometry} + +\title{Review of \emph{Complexity Theory, Game Theory and Economics} (Tim +Roughgarden)} +\author{Thibaut Horel} + +\begin{document} + +\vspace{-5em} + +\maketitle + + +\section*{General impression} Very nice selection of topics, striking +a nice balance between covering classical results and recent papers. The level +of exposition feels right for a general theory audience. + +\section*{Solar lecture 1} + +\begin{itemize} + + \item Section 1.2.3: I suggest also introducing the concept of \emph{pure + strategy} when defining a \emph{mixed strategy} below the payoff + matrix. Once this term is defined, I think it should be used instead of + \emph{deterministic strategy} in later sections (or even lectures?) + +\item Proof of Theorem 1.1: I would add variables $v, x$ below the $\max$ in + the first equation to make it clear what the maximization is over. + Similarly, add $w, y$ below the $\min$ in the second equation. + +\item Section 1.2.6: check oppositional/cooperative. Furthermore, I think the + content of this section should be moved to the beginning of Section 1.4 to + motivate the transition to bimatrix games. At the moment, it feels that + it is breaking the flow. + +\item Section 1.2.7: add quote by Jain. + +\item Section 1.3.1: the first paragraph is slightly confusing, because it is + said that players only know their own payoffs (and not those of the other + player) but the focus of Section 1.3 at this point seems to be zero-sum + games. I would clarify that the notion of uncoupled dynamics as it is + defined here is for arbitrary bimatrix games. + +\item Sections 1.3.1 and 1.3.2: the two framed boxes are slightly ill-defined + for $t=1$ since there is no history then. I would maybe make $t=1$ an + explicit ``initialization'' step and then say ``At time step $t\geq + 2$''. + +\item Example 1.7: maybe add that $\eta=+\infty$ corresponds to fictitious play + \emph{with uniformly random tie-breaking}. + +\item Example 1.7: in the framed box, behavior at $t=1$ is ill-defined, + initialize with uniformly random strategy? + +\item Theorem 1.8: say in the theorem statement that this is for a choice of + $\eta_t = \Theta(\sqrt{t})$. + +\item Theorem 1.8: I am curious about the implication of this theorem for the + computation of a Nash equilibrium: how does it compare to generic solvers + for linear programs (e.g. the ellipsoid method)? + +\item Theorem 1.10: say that $n=|\Lambda|$. + +\item Section 1.3.7: the first sentence is unnecessary, the proof seems + complete to me. + +\item Example 1.13: Is this the ``battle of the sexes'' game? + +\end{itemize} + +\paragraph{Typos.} \begin{itemize} + \item footnote 4 p. 8: welfare $\rightarrow$ warfare + \item definition 1.2: right-hind $\rightarrow$ right-hand + \item first paragraph of 1.3.1: a la $\rightarrow$ à la +\end{itemize} + +\section*{Solar lecture 2} + +\paragraph{Typos.} \begin{itemize} +\end{itemize} + +\end{document} |
