| 247/1983 |
Some applications of non-Hermitian operators in quantum mechanics and quantum field theory Erasmo Recami, Waldyr A. Rodrigues Jr., Pavel Smrz Due to the possibility of rephrasing it in terms of Lie-admissible algebras, some work done in the past in collaboration with A. Agodi, M. Baldo and V. S. Olkhvsky is here reported. Such work led to the introduction of non-Hermitian operators in (classical and relativistic) quantum theory. We deal in particular with: (i) the association of unstable states (decaying "Resonances") with the eigenvectors of non-Hermitian Hamiltonians; (ii) the problem of the four-position operators for relativistic spin-zero particles.  rp-1983-247.pdf |
| 239/1983 |
The fundamental equations of minimal surfaces in setC P² Jost Hinrich Eschenburg, Renato de Azevedo Tribuzy, Irwen Valle Guadalupe rp-1983-239.pdf |
| 210/1982 |
Best approximation of bounded functions by continuous functions Maria Sueli Marconi Roversi rp-1982-210.pdf |
| 184/1980 |
Proper n-valued Lukasiewicz algebras as S-algebras of Lukasiewicz n-valued propositional calculi Roberto Cignoli rp-1980-184.pdf |
| 183/1980 |
Dualities for some de Morgan algebras with operators and Lukasiewicz algebras Roberto Cignoli, Marta S. de Gallego rp-1980-183.pdf |
| 182/1980 |
An exploratory method for the selection of categorical variables J. Norberto W. Dachs, Mauro S.F. Marques rp-1980-182.pdf |
| 165/1979 |
Submanifolds with parallel mean curvature vector Irwen Valle Guadalupe rp-1979-165.pdf |
| 155/1979 |
The lattice structure of some Lukasiewicz algebras Roberto Cignoli, Marta S. de Gallego rp-1979-155.pdf |
| 91/1977 |
On separately holomorphic and Silva holomorphic mappings Mário C. Matos rp-1977-91.pdf |
| 89/1977 |
Sobre a Topologia compacto-portada uniforme em espaços de aplicações holomorfas Mário C. Matos rp-1977-89.pdf |
