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If M m,n the space of all m by n matrices, and M j,k the space of all j by k matrices, are assumed to be isomorphic, what is the strongest
If M m,n the space of all m by n matrices, and M j,k the space of all j by k matrices, are assumed to be isomorphic, what is the strongest requirement that can be inferred about the values of m,n,j, and k?