在“informs3”cls中，为什么定理标题启用断线？

Question

在“informs3”cls中，为什么定理标题启用断线？模板：https://www.overleaf.com/latex/templates/template-for-manufacturing-and-service-operations-management/nmthwmpdpryp

\begin{proposition}[Comparison with Independent Listing Under Endogenous Commission Rate]\label{prop4}
With an endogenous
commission rate, strategic listing leads to lower commission
revenue but higher advertising revenue for the platform relative
to independent listing. Overall, the platform (weakly)
benefits from strategic listing in the whole parameter space.
\end{proposition}

Answer 1

该类informs3加载已过时的包theorem。

您可以加载amsthm对可选参数具有更好管理的类定理环境，并模拟所使用的样式informs3。

% don't load the obsolete package theorem
\expandafter\def\csname [email protected]\endcsname{}

\documentclass{informs3}

% load instead amsthm; we need to undefine proof first
\let\proof\relax\let\endproof\relax
\usepackage{amsthm}

% emulate the informs3 style
\makeatletter
\newtheoremstyle{informs3}
  {\topsep}   % ABOVESPACE
  {\topsep}   % BELOWSPACE
  {\itshape}  % BODYFONT
  {0pt}       % INDENT (empty value is the same as 0pt)
  {}          % HEADFONT
  {}          % HEADPUNCT
  {5pt plus 1pt minus 1pt} % HEADSPACE
  % CUSTOM-HEAD-SPEC
  {\textsc{\thmname{#1} \thmnumber{#2}}\textbf{ \thmnote{(#3).}}\@addpunct{\unskip.}}
\makeatother
\theoremstyle{informs3}

\newtheorem{proposition}{Proposition}

\begin{document}

\begin{proposition}[Comparison with Independent Listing Under Endogenous Commission Rate]
\label{prop4}
With an endogenous
commission rate, strategic listing leads to lower commission
revenue but higher advertising revenue for the platform relative
to independent listing. Overall, the platform (weakly)
benefits from strategic listing in the whole parameter space.
\end{proposition}

\begin{proposition}
This has no attribution argument.
\end{proposition}

\end{document}