[461] A global theory of steady vortex rings in an ideal fluid

[462] Covariant representations of$C$^{*}-algebras and their locally compact automorphism groups

[463] Complete interpolating sequences for Fourier transforms supported by convex symmetric polygons

[464] Analytic theory of linear$q$-difference equations

[465] On the uniform convexity of$L$^{$p$}and$l$^{$p$}