2

article ordinarily uses the contents of \title{...} and \author{...} to serve as the running heads, and applies these when \maketitle is issued. Since I don't see any of these in your example, the running heads are blank. You can set the running heads you want by issuing the command \markboth{<left heading text>}{<right heading text>| somewhere ...


2

If you want to be sure that the titles are aligned, you can set the numbers in a fixed width box. You may need a larger width if you also have subsections, with a suitable \titleformat definition. \documentclass{book} \usepackage{titlesec} \titleformat{\chapter} {\normalfont\bfseries\Huge} {\makebox[40pt][l]{\thechapter}} {0pt} {} \titlespacing*{\...


1

Without knowing what sizes and spaces you want exactly, I could only guess, but using this as a starting point, you should be able to adjust the design to your liking: \documentclass{book} \usepackage[T1]{fontenc} \usepackage{titlesec,blindtext} % For the chapter format \titleformat{\chapter}[display]% {\centering\Large\bfseries}% format of chapter {...


1

This code produces the output that meets your three requirements. Main changes: (1) Uses imakeidx which allows easy redefinition of the index environment and, best of all, only requires one compilation. (2) Eliminate the boxes of the chapters numbered with zero, including the index, while keeping the layout of the chapter heading. \documentclass[11pt]{book} ...


1

In your preamble put: \renewcommand{\thesection}{\arabic{section}.} If you don't want the dot after the number don't put it in the redefinition.


1

I'm usually using this function I wrote: \newcommand{\silentchapter}[1]{ \chapter*{#1} \markboth{#1}{#1} %\addcontentsline{toc}{chapter}{#1} } I creates a chapter without a number and sets the header. The commented line adds this chapter to the contents index.


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