% ============================================================================ % UQO Working Paper 31 — PRISME % ============================================================================ \documentclass[12pt,letterpaper]{article} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} \usepackage[english]{babel} \usepackage[letterpaper,top=1in,bottom=1in,left=1in,right=1in]{geometry} \usepackage{mathptmx} \usepackage{microtype} \usepackage{setspace} \onehalfspacing \usepackage{amsmath,amssymb,amsthm} \usepackage{bm} \usepackage{booktabs} \usepackage{tabularx} \usepackage{multirow} \usepackage{threeparttable} \usepackage{longtable,array,calc} \usepackage{siunitx} \sisetup{input-symbols = {()}, table-format = -1.3, parse-numbers = false} \usepackage{graphicx} \usepackage{subcaption} \usepackage{float} \usepackage{tikz} \usetikzlibrary{arrows.meta,positioning,calc,fit,backgrounds,shapes.misc} \usepackage[dvipsnames]{xcolor} \usepackage[colorlinks=true,linkcolor=NavyBlue,citecolor=NavyBlue,urlcolor=NavyBlue,breaklinks=true]{hyperref} \usepackage[authoryear,round,semicolon]{natbib} \bibliographystyle{aer} \usepackage[font=small,labelfont=bf,labelsep=period,justification=justified,singlelinecheck=false]{caption} \usepackage{fancyhdr} \pagestyle{fancy} \fancyhf{} \renewcommand{\headrulewidth}{0pt} \fancyfoot[C]{\thepage} \usepackage{titlesec} \titleformat{\section}{\large\bfseries}{\thesection.}{0.5em}{} \titleformat{\subsection}{\normalsize\bfseries}{\thesubsection.}{0.5em}{} \titleformat{\subsubsection}{\normalsize\itshape}{\thesubsubsection.}{0.5em}{} \usepackage[toc,page]{appendix} \usepackage{enumitem} \setlist{nosep,leftmargin=*} \usepackage{algorithm} \usepackage{algpseudocode} \usepackage{listings} \theoremstyle{plain} \newtheorem{proposition}{Proposition} \newtheorem{lemma}{Lemma} \newtheorem{corollary}{Corollary} \theoremstyle{definition} \newtheorem{definition}{Definition} \newtheorem{assumption}{Assumption} \theoremstyle{remark} \newtheorem{remark}{Remark} \newcommand{\R}{\mathbb{R}} \newcommand{\E}{\mathbb{E}} \newcommand{\Loss}{\mathcal{L}} \newcommand{\Act}{\mathcal{A}} \newcommand{\Stop}{\textsc{stop}} \newcommand{\rms}{\operatorname{rms}} \newcommand{\sg}{\operatorname{sg}} \newcommand{\prisme}{\textsc{prisme}} \providecommand{\tightlist}{\setlength{\itemsep}{0pt}\setlength{\parskip}{0pt}} % Numbers generated by scripts (never typed by hand): results/tables/numbers.tex \input{tables/numbers} % ============================================================================ \newcommand{\WPnumber}{31} \newcommand{\WPtitle}{PRISME: Intervention-Supervised Sparse Workspace Editing for Small Language Models} \newcommand{\WPsubtitle}{Design, controlled evaluation, and negative and positive evidence at the 100M-parameter scale} \newcommand{\WPdate}{October 2026} \newcommand{\WPversion}{1.0} \newcommand{\WPabstract}{\input{sections/abstract}} \newcommand{\WPkeywords}{small language models; adaptive computation; latent workspace; counterfactual supervision; sparse routing; quality--compute frontier; reproducibility} \newcommand{\WPjel}{C45, C63, C88} \newcommand{\WPauthor}{Simon-Pierre Boucher} \newcommand{\WPaffiliation}{Département des sciences administratives\\Université du Québec en Outaouais} \newcommand{\WPemail}{simon-pierre.boucher@uqo.ca} \newcommand{\WPaddress}{Gatineau -- Pavillon Alexandre-Taché\\283, boulevard Alexandre-Taché\\Gatineau, Québec, Canada J9A 1L8} \begin{document} \input{sections/titlepage} \input{sections/introduction} \input{sections/related} \input{sections/problem} \input{sections/architecture} \input{sections/policy} \input{sections/learning} \input{sections/theory} \input{sections/implementation} \input{sections/design} \input{sections/results} \input{sections/mechanistic} \input{sections/limitations} \input{sections/conclusion} \input{sections/reproducibility} \newpage \bibliography{references} \input{appendix/appendix} \end{document}