Journal of the London Mathematical Society

NOTES AND PAPERS

D. G. Rogers

Addition Theorems for Perfect Systems of Difference Sets
J. London Math. Soc. 1981 s2-23: 385-395; doi:10.1112/jlms/s2-23.3.385 [Abstract] [PDF] [Request Permissions]  

I. Heath-Brown

Three Primes and an Almost-Prime in Arithmetic Progression
J. London Math. Soc. 1981 s2-23: 396-414; doi:10.1112/jlms/s2-23.3.396 [PDF] [Request Permissions]  

M. A. Kenku

On the Modular Curves X₀(125), X₁(25), X₁(49)
J. London Math. Soc. 1981 s2-23: 415-427; doi:10.1112/jlms/s2-23.3.415 [PDF] [Request Permissions]  

Gerhard Behrendt and Peter M. Neumann

On the Number of Normal Subgroups of an Infinite Group
J. London Math. Soc. 1981 s2-23: 429-432; doi:10.1112/jlms/s2-23.3.429 [PDF] [Request Permissions]  

G. Sampson

On Class of Real Analytic Families of Singular Integrals on H¹ and L^p
J. London Math. Soc. 1981 s2-23: 433-441; doi:10.1112/jlms/s2-23.3.433 [PDF] [Request Permissions]  

Per Sjölin

Convolution with Oscillating Kernels on H^P Spaces
J. London Math. Soc. 1981 s2-23: 441-454; doi:10.1112/jlms/s2-23.3.441 [PDF] [Request Permissions]  

Yitzhak Weit

A Characterization of Polynomials by Convolution Equations
J. London Math. Soc. 1981 s2-23: 455-459; doi:10.1112/jlms/s2-23.3.455 [Abstract] [PDF] [Request Permissions]  

Peter J. Nicholls

The Orbital Counting Function for Discrete Groups of Infinite Volume
J. London Math. Soc. 1981 s2-23: 460-468; doi:10.1112/jlms/s2-23.3.460 [PDF] [Request Permissions]  

Jon Aaronson

A Remark on the Exactness of Inner Functions
J. London Math. Soc. 1981 s2-23: 469-474; doi:10.1112/jlms/s2-23.3.469 [PDF] [Request Permissions]  

J. Chabrowski and N. A. Watson

Properties of Solutions of Weakly Coupled Parabolic Systems
J. London Math. Soc. 1981 s2-23: 475-495; doi:10.1112/jlms/s2-23.3.475 [PDF] [Request Permissions]  

A. G. A. G. Babiker and A. Sapounakis

Some Regularity Conditions on Topological Measure Spaces
J. London Math. Soc. 1981 s2-23: 496-502; doi:10.1112/jlms/s2-23.3.496 [PDF] [Request Permissions]  

B. Kuttner and I. J. Maddox

Matrices which Sum all Bounded Cesàro Summable Sequences
J. London Math. Soc. 1981 s2-23: 503-508; doi:10.1112/jlms/s2-23.3.503 [PDF] [Request Permissions]  

Michel Duhoux

Order Precompactness in Topological Riesz Spaces
J. London Math. Soc. 1981 s2-23: 509-522; doi:10.1112/jlms/s2-23.3.509 [PDF] [Request Permissions]  

Artin Boghossian

Tangential Approximation of Continuous Functions on Open Sets
J. London Math. Soc. 1981 s2-23: 523-530; doi:10.1112/jlms/s2-23.3.523 [PDF] [Request Permissions]  

Roberto Longo

A Remark on Crossed Product of C^*-Algebras
J. London Math. Soc. 1981 s2-23: 531-533; doi:10.1112/jlms/s2-23.3.531 [Abstract] [PDF] [Request Permissions]  

Pavel Pták

Realcompactness and the Notion of Observable
J. London Math. Soc. 1981 s2-23: 534-536; doi:10.1112/jlms/s2-23.3.534 [Abstract] [PDF] [Request Permissions]  

M. Rees

A Minimal Positive Entropy Homeomorphism of the 2-Torus
J. London Math. Soc. 1981 s2-23: 537-550; doi:10.1112/jlms/s2-23.3.537 [PDF] [Request Permissions]  

Alex Heller

On the Representability of Homotopy Functors
J. London Math. Soc. 1981 s2-23: 551-562; doi:10.1112/jlms/s2-23.3.551 [PDF] [Request Permissions]  

C. Kearton

Hermitian Signatures and Double-Null-Cobordism of Knots
J. London Math. Soc. 1981 s2-23: 563-576; doi:10.1112/jlms/s2-23.3.563 [Abstract] [PDF] [Request Permissions]  

CORRIGENDUM

M. A. Kenku

The Modular Curve X₀ (169) and Rational Isogeny
J. London Math. Soc. 1981 s2-23: 428; doi:10.1112/jlms/s2-23.3.428-s [PDF] [Request Permissions]  

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