How to Order

For AMS eBook frontlist subscriptions or backfile collection purchases:

   1a. To purchase any ebook backfile or to subscibe to the current year of Contemporary Mathematics, please download this required license agreement,

   1b. To subscribe to the current year of Memoirs of the AMS, please download this required license agreement.

   2. Complete and sign the license agreement.

   3. Email, fax, or send via postal mail to:

Customer Services
American Mathematical Society
201 Charles Street Providence, RI 02904-2213  USA
Phone: 1-800-321-4AMS (4267)
Fax: 1-401-455-4046

Visit the AMS Bookstore for individual volume purchases.

Browse the current eBook Collections price list

Powered by MathJax
  Remote Access

The structure of certain quasisymmetric groups

About this Title

A. Hinkkanen

Publication: Memoirs of the American Mathematical Society
Publication Year 1990: Volume 83, Number 422
ISBNs: 978-0-8218-2485-6 (print); 978-1-4704-0845-9 (online)
MathSciNet review: 948926
MSC: Primary 30C60; Secondary 20F38, 30F35

View full volume PDF

View other years and numbers:

Table of Contents


  • 1. Introduction and results
  • 2. Notation and two lemmas
  • 3. Groups on the real axis: Proof of Theorem 1
  • 4. Proof of Theorem 2 for groups of finite order
  • 5. Estimates for cross ratios: Proof of Lemma 4
  • 6. Distances between successive image points: Proof of Lemma 5
  • 7. Proof of Theorem 2 for groups of infinite order
  • 8. Abelian groups: Proof of Theorem 3
  • 9. Nondiscrete groups: Proof of Theorem 4
  • 10. Groups containing large Möbius subgroups: Proof of Lemma 10
  • 11. Uncountable groups: Proof of Corollary 2
American Mathematical Society