131 citations · 217 across the 16 of their papers we have counts for
Showing 2023Show all
3 papers · 1 filter
math.AP2023
Remarks on the linear wave equation
John M. Ball
We make some remarks on the linear wave equation concerning the existence and uniqueness of weak solutions, satisfaction of the energy equation, growth properties of solutions, the…
math.AP2023
Image comparison and scaling via nonlinear elasticity
John M. Ball, Christopher L. Horner
A nonlinear elasticity model for comparing images is formulated and analyzed, in which optimal transformations between images are sought as minimizers of an integral functional. Th…
cond-mat.mtrl-sci2023
Slip and twinning in Bravais lattices
John M. Ball
A unified treatment of slip and twinning in Bravais lattices is given, focussing on the case of cubic symmetry, and using the Ericksen energy well formulation, so that interfaces c…