A discrete symmetry of a preference relation is a mapping from the domain of choice to itself under which preference comparisons are invariant; a continuous symmetry is a one-parameter family of such transformations that includes the identity; and a symmetry field is a vector field whose...

In recent years a phenomenon called "frugal innovation" has increasingly gained traction in the scholarly discourse; and as research reveals, it is often brought in connection with India. Apparently, India has quietly acquired the role of a pioneer for innovations that aim at combining...