Let X be a Banach space, H a subspace of X, M an n-dimensional subspace of H and D a linear operator from H to X. R. Whitley raised the question how to calculate the following numbers:
基金Project supported by the Science Fund of Academia Sinica.
文摘Let X be a Banach space, H a subspace of X, M an n-dimensional subspace of H and D a linear operator from H to X. R. Whitley raised the question how to calculate the following numbers: