Hopf algebras and congruence subgroups
By: Yorck Sommerhäuser, Yongchang Zhu
Contributors: Zhu, Yongchang
Series: Memoirs of the American Mathematical Society -- no. 1028
Publisher: American Mathematical Society
Published: 2011
Place of publication: Providence, R.I
Language: eng
ISBN-13: 9780821869130
Subjects: Modular groups; Hopf algebras
Notes: "September 2012 , volume 219, number 1028 (first of 5 numbers)."

Includes bibliographical references and index.