A simple solvable neutral π-π model

Low's Scattering Equation for the Charged and Neutral Scalar Theories

1956 • 601 citations

Geometrical restrictions on the pion-pion partial waves

1967 • 147 citations

Simultaneous "Partial-Wave" Expansion in the Mandelstam Variables: Crossing Symmetry for Partial Waves

1968 • 94 citations

Crossing restrictions on ππ partial waves

1970 • 94 citations

Rigorous inequalities on the derivatives ofS- andP-wave amplitudes for π-π scattering

1970 • 27 citations

Neutral theory models ofS-wave π-π scattering fulfilling rigorous conditions

1968 • 21 citations

On deriving equations from the Mandelstam representation

1961 • 18 citations