Proceedings of the National Academy of Sciences of the United States of America, Vol. 1, No. 6 (Jun. 15, 1915), pp. 350-354 (5 pages) ...
Sufficient conditions are given for the existence, uniqueness and finite-dimensional approximation of the solution to a first-order infinite-dimensional vector differential equation. Given a suitable ...
Infinite-dimensional systems, characterised by state spaces of infinite dimension such as those described by partial differential equations, present profound challenges and opportunities within ...