Projection methods in the approximate solution of the eigenvalue problem in a Hilbert space
K. Moszyński (1978)
Banach Center Publications
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K. Moszyński (1978)
Banach Center Publications
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Vlasta Peřinová (1969)
Časopis pro pěstování matematiky
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Young, Eutiquio C. (1977)
Portugaliae mathematica
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Przemysław Gadziński (2000)
Colloquium Mathematicae
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We study the densities of the semigroup generated by the operator on the 3-dimensional Heisenberg group. We show that the 7th derivatives of the densities have a jump discontinuity. Outside the plane x=0 the densities are . We give explicit spectral decomposition of images of in representations.
Rathie, P.N. (1967)
Portugaliae mathematica
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Vlasta Peřinová (1969)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica-Physica-Chemica
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