Proceedings of the Cambridge Philosophical Society: Mathematical and physical sciences, Volume 74

a₁ Abelian algebra ascendant subgroups asymptotic expansion automorphisms B₁ boundary conditions bounded C₁ C₂ Cambridge cell centre Churchill College coefficients College consider contour convergence convex COROLLARY Darwin College defined denote derived eigenvalue eigenvectors element equation equivalent example exists factor finite fluid follows formula function given h₁ Hence homeomorphism implies integer integral integrand intersection invariants Lemma linear mass transport velocity Math matrix nilpotent normal normal subgroup obtained p-group P₂ PCPS phase curves plane polynomial prime problem Proc Proof of Theorem prove R₁ radiation real axis representation residue result satisfies saturated family Schauder basis sequence singularity solution space subfamily subset Suppose symmetric tensor Theorem theory topology torsion-free U₁ v₁ valid values variables vector wave weakly zero μν