Results 1 to 10 of about 178,877 (207)

Uncertainty relations on nilpotent Lie groups. [PDF]

open access: yesProc Math Phys Eng Sci, 2017
We give relations between main operators of quantum mechanics on one of most general classes of nilpotent Lie groups. Namely, we show relations between momentum and position operators as well as Euler and Coulomb potential operators on homogeneous groups. Homogeneous group analogues of some well-known inequalities such as Hardy's inequality, Heisenberg–
Ruzhansky M, Suragan D.
europepmc   +11 more sources

ON UNITARY REPRESENTATIONS OF NILPOTENT LIE GROUPS. [PDF]

open access: yesProc Natl Acad Sci U S A, 1957
In dieser Arbeit werden die hauptsächlichen Ergebnisse der nachfolgend referierten Arbeit angekündigt [vgl. Bull. Math. Soc. Fr. 85, 325--388 (1957; Zbl 0085.10303)].
Dixmier J.
europepmc   +6 more sources

Approximate lattices and Meyer sets in nilpotent Lie groups [PDF]

open access: yesDiscrete Analysis, 2020
Approximate lattices and Meyer sets in nilpotent Lie groups, Discrete Analysis 2020:1, 18 pp. A central result in additive combinatorics, Freiman's theorem, describes the structure of any finite set $A$ of integers with the property that its sumset $A+A$
Simon Machado
doaj   +2 more sources

Einstein nilpotent Lie groups [PDF]

open access: yesJournal of Pure and Applied Algebra, 2019
We study the Ricci tensor of left-invariant pseudoriemannian metrics on Lie groups. For an appropriate class of Lie groups that contains nilpotent Lie groups, we introduce a variety with a natural $\mathrm{GL}(n,\mathbb{R})$ action, whose orbits parametrize Lie groups with a left-invariant metric; we show that the Ricci operator can be identified with ...
Conti, D, Rossi, FA
openaire   +5 more sources

Construction of Nilpotent and Solvable Lie Algebra in Picture Fuzzy Environment [PDF]

open access: yesInt J Comput Intell Syst, 2023
The picture fuzzy set was introduced by Coung. It is a generalization of the intuitionistic fuzzy set, giving the notion of neutral membership degrees along with the positive and negative ones.
Kousar S, Arshad S, Kausar N, Hong T.
europepmc   +2 more sources

Quantization on Nilpotent Lie Groups [PDF]

open access: yes, 2016
Topological Groups, Lie Groups; Abstract Harmonic Analysis; Functional Analysis; Mathematical ...
Ruzhansky, M, Fischer, V
openaire   +7 more sources

Symplectic Foliation Structures of Non-Equilibrium Thermodynamics as Dissipation Model: Application to Metriplectic Nonlinear Lindblad Quantum Master Equation. [PDF]

open access: yesEntropy (Basel), 2022
The idea of a canonical ensemble from Gibbs has been extended by Jean-Marie Souriau for a symplectic manifold where a Lie group has a Hamiltonian action.
Barbaresco F.
europepmc   +2 more sources

Extremal Curves in Nilpotent Lie Groups [PDF]

open access: yesGeometric and Functional Analysis, 2013
We classify extremal curves in free nilpotent Lie groups. The classification is obtained via an explicit integration of the adjoint equation in Pontryagin Maximum Principle. It turns out that abnormal extremals are precisely the horizontal curves contained in algebraic varieties of a specific type. We also extend the results to the nonfree case.
E. Le Donne   +3 more
openaire   +8 more sources

Commutators associated with Schrödinger operators on the nilpotent Lie group. [PDF]

open access: yesJ Inequal Appl, 2017
Assume that G is a nilpotent Lie group. Denote by L = − Δ + W $L=-\Delta +W $ the Schrödinger operator on G, where Δ is the sub-Laplacian, the nonnegative potential W belongs to the reverse Hölder class B q 1 $B_{q_{1}}$ for some q 1 ≥ D 2 $q_{1} \geq ...
Ni T, Liu Y.
europepmc   +2 more sources

Filling invariants of stratified nilpotent Lie groups [PDF]

open access: yesMathematische Zeitschrift, 2018
v3: Title changed, content significantly ...
Moritz Gruber
openaire   +4 more sources

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