How to set the chapter style in report class

Question

When a chapter starts, it appears as, e.g.,

Chapter 1
Introduction

and it then in upper left corner of each page in the chapter the name appears as

CHAPTER 1 INTRODUCTION

But I want that only the name of the chapter (i.e. just “INTRODUCTION”) appears there.

I have no problem with page numbering.

Answer 1

From your comments I can see that you mean the marks in the page header but not the chapter headings.

The fancyhdr package is very popular for customizing page headers and footers. Here's a minimal way to change your header like desired, if everything is default:

\usepackage{fancyhdr}
\pagestyle{fancy}
\renewcommand*{\chaptermark}[1]{\markboth{\MakeUppercase{#1}}{}}}

See also the fancyhdr documentation.

---

Here's the solution for the chapter heading, in case you like to do it similar to the page header, for consistency:

You could use the titlesec package, for example write in your preamble:

\usepackage{titlesec}
\titleformat{\chapter}
  {\normalfont\huge\bfseries}{\thechapter}{1em}{}

This way by \chapter{Introduction} you would get:

1 Introduction

Have a look at the documentation to titlesec.

I guess you wish to keep the numbering, otherwise you could simply write \chapter*{Introduction}. Further I assume you don't wish to write everything in capital letters - or do you?

I prefer scrreprt instead of report. This class is similar to report but provides many further features. It's default chapter headings style matches the one desired by you.