The reasoning of mathematicians is necessary, the stages to mathematical theories are necessary, and the struggle we are now leading is necessary.
                - Jean Cavaillès,
arrested 17th February 1944, shot 4th April 1944

            • Functions whose Fourier transforms vanish near the origin
            • About the research monograph Difference Spaces and Invariant Linear Forms
            • Functions whose Fourier coefficients vanish at two given points
            • Functions whose Fourier transforms are 'small' near two given points

            • About the book Randomness and Recurrence in Dynamical Systems
            • Research on the binary dynamical system
            • Research on orbits in $\beta{\mathbb N}-{\mathbb N}$

            • Equal representation
            • Quadratic functions and optimisation
            • Resource allocation
            • Decisions about banking investments
            • Funding for government and private schools