TY  - BOOK
AU  - Hejhal,Dennis A.
TI  - Eigenvalues of the Laplacian for Hecke Triangle Groups
T2  - Memoirs of the American Mathematical Society
SN  - 9781470408954
AV  - QA3 -- .H454 1992eb 
U1  - 512/.7 
PY  - 1992///
CY  - Providence
PB  - American Mathematical Society
KW  - Selberg trace formula
KW  - Automorphic functions
KW  - Eigenvalues
KW  - Laplacian operator
KW  - Electronic books
N1  - Intro -- Table of Contents -- 0. Foreword -- I. Eigenvalues of the Laplacian for Hecke Triangle Groups -- 1. Introduction and preliminary remarks -- 2. The procedure in a nutshell -- 3. Some theoretical difficulties -- 4. Coefficient relations for N = 4 and 6 -- 5. "Odd" eigenvalues for N = 4, 5, 6, 7 -- 6. "Even" eigenvalues for N = 4, 5, 6, 7 -- 7. Some examples -- 8. Some remarks about pseudo cusp forms -- 9. Concluding remarks -- References -- Appendix A -- II. (Reprint of) Eigenvalues of the Laplacian for PSL(2,Z): Some New Results and Computational Techniques -- 1. Introduction -- 2. The basic procedure -- 3. Some informal remarks concerning implementation of the basic procedure -- 4. Further remarks -- 5. The even eigenvalues less than 50 -- 6. The odd eigenvalues less than 50 -- 7. Even eigenvalues around R = 125 -- 8. Even eigenvalues around R = 250 -- 9. Even eigenvalues around R = 500 -- 10. Gaining greater accuracy -- 11. Concluding remarks -- References -- Appendix B
UR  - https://ebookcentral.proquest.com/lib/orpp/detail.action?docID=3113902
ER  -