On the index of Fredholm pairs of idempotents

The Index of a Pair of Projections

J. E. Avron, R. Seiler, Barry Simon · Journal of Functional Analysis · 1994 · 259 citations

Architecture, Biostatistics, Projection Mapping +3

Quantum Hall effect and the relative index for projections

J. E. Avron, R. Seiler, Barry Simon · Physical Review Letters · 1990 · 59 citations

Natural Sciences, Physics, Condensed Matter Physics +13

A new characterization of gaps between two subspaces

Hong-Ke Du, Chunyuan Deng · Proceedings of the American Mathematical Society · 2005 · 18 citations · Full text

Natural Sciences, Mathematics, Physics +7

Stability of the index of a semi-Fredholm complex of Banach spaces

Ernst Albrecht, Florian-Horia Vasilescu · Journal of Functional Analysis · 1986 · 14 citations

Natural Sciences, Historic Preservation, Dynamical Systems +10