Sectioning

• How to Reduce Space After a Title Once in LaTeX
  Use a local negative vertical skip after \maketitle or a section heading to tighten the gap once, without changing spacing throughout the document.
• How to Break a Subsection Title in Beamer
  Break a long Beamer subsection title with a short navigation title, protected line breaks, and a PDF-bookmark-safe alternative.
• How to Add a Page Break After Every Subsubsection in LaTeX
  Use titlesec’s after-code argument to run \clearpage after each subsubsection heading, while remembering that it breaks before the section’s text.
• How to Add a Short Abstract After a LaTeX Part Heading
  Define a LaTeX command that prints a part heading followed by a short, consistently formatted abstract, with a complete example you can compile.
• How to Center Selected Chapter Headings in LaTeX
  Use sectsty's \chapterfont locally to center selected chapter headings while leaving other chapters unchanged, with a complete book-class example.
• How to Add a Left Indent to Section Headings in LaTeX
  Use the titlesec package's left-spacing setting to indent section and subsection headings without changing the page margins or paragraph text.