535 citations
- Centre National de la Recherche ScientifiqueFR76 papers
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Showing 1998Show all
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math.RA1998
On the invariant faces associated with a cone-preserving map
Bit-Shun Tam, Hans Schneider
For an nonnegative matrix , an isomorphism is obtained between the lattice of initial subsets (of ) for and the lattice of -invariant faces of the…
hep-th1998★ 77 cited
Dirac electron in a Coulomb Field in 2+1 Dimensions
V. R. Khalilov, Choon-Lin Ho
Exact solutions of Dirac equation in two spatial dimensions in the Coulomb field are obtained. Equation which determines the so-called critical charge of the Coulomb field is deriv…