pp 1-1 December 1987

Foreword

S G Dani

pp 3-19 December 1987

The characters of supercuspidal representations as weighted orbital integrals

James Arthur

pp 21-30 December 1987

On the proof of the reciprocity law for arithmetic Siegel modular functions

Walter L Baily

pp 31-43 December 1987

On some generalizations of Ramanujan’s continued fraction identities

S Bhargava Chandrashekar Adiga D D Somashekara

pp 45-52 December 1987

On the set of discrete subgroups of bounded covolume in a semisimple group

A Borel

pp 53-59 December 1987

Explicit Ramanujan-type approximations to pi of high order

J M Borwein P B Borwein

pp 61-66 December 1987

Almost poised basic hypergeometric series

David M Bressoud

pp 67-74 December 1987

On Whittaker models and the vanishing of Fourier coefficients of cusp forms

Stephen Gelbart David Soudry

pp 75-84 December 1987

On prime representing polynomials

Emil Grosswald

pp 85-109 December 1987

(GL_n, GL_m)-duality and symmetric plethysm

Roger Howe

pp 111-116 December 1987

The area within a curve

M N Huxley

pp 117-155 December 1987

On the nonvanishing of someL-functions

Hervé Jacquet

pp 157-166 December 1987

On exponential sums involving the Ramanujan function

M Jutila

pp 167-178 December 1987

Approximation of exponential sums by shorter ones

A A Karatsuba

pp 179-188 December 1987

On endomorphisms of degree two

Max Koecher

pp 189-199 December 1987

Traces of Eichler—Brandt matrices and type numbers of quaternion orders

Otto Körner

pp 201-229 December 1987

The Hecke-algebras related to the unimodular and modular group over the Hurwitz order of integral quaternions

Aloys Krieg

pp 231-237 December 1987

Poincaré series forSO(n, 1)

Jian-Shu Li I Piatetski-Shapiro P Sarnak

pp 239-245 December 1987

Fluctuations in the mean of Euler’s phi function

Hugh L Montgomery

pp 247-250 December 1987

On the supersingular reduction of elliptic curves

M Ram Murty

pp 251-262 December 1987

The Manin—Drinfeld theorem and Ramanujan sums

V Kumar Murty Dinakar Ramakrishnan

pp 263-276 December 1987

On Ramanujan’s modular identities

S Raghavan

pp 277-296 December 1987

Hypergeometric series and continued fractions

K G Ramanathan

pp 297-303 December 1987

Multiplicative properties of the partition function

A Schinzel E Wirsing

pp 305-312 December 1987

The states of the character ring of a compact group

V S Varadarajan

pp 313-324 December 1987

On an approximate identity of Ramanujan

D Zagier