Connectedness and solarity in problems of best and near-best approximation

<i>Principles of Optics: Electromagnetic Theory of Propagation, Interference and Diffraction of Light</i>

Max Born, Emil Wolf, Eugene Hecht · Physics Today · 2000 · 4.1K citations

Natural Sciences, Physics, Electromagnetics +16

Catastrophe Theory and Its Applications

Timothy Poston, Ian Stewart, Raymond H. Plaut · Journal of Applied Mechanics · 1979 · 2.1K citations · Full text

Natural Sciences, Mathematics, Physics +12

Introduction to Approximation Theory

T. J. Rivlin, E. W. Cheney · Mathematics of Computation · 1969 · 2.1K citations

Computing, Computer Science, Mathematics +17

Theory of Retracts.

Ky Fan, Sze-Tsen Hu · American Mathematical Monthly · 1968 · 392 citations

Prox-regular functions in variational analysis

R. A. Poliquin, R. T. Rockafellar · Transactions of the American Mathematical Society · 1996 · 322 citations · Full text

Natural Sciences, Mathematics, Indirect Restorations +15