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We describe a systematic method to construct arbitrary highest-weight modules, including arbitrary finite-dimensional representations, for any finite dimensional simple Lie algebra $\mathfrak{g}$. The Lie algebra generators are represented…

High Energy Physics - Theory · Physics 2022-02-15 A. Morozov , M. Reva , N. Tselousov , Y. Zenkevich

We describe an algebra G of diagrams which faithfully gives a diagrammatic representation of the structures of both the Heisenberg-Weyl algebra H - the associative algebra of the creation and annihilation operators of quantum mechanics -…

Mathematical Physics · Physics 2010-01-31 P. Blasiak , G. H. E. Duchamp , A. I. Solomon , A. Horzela , K. A. Penson

We use the Hopf algebra structure of the time-ordered algebra of field operators to generate all connected weighted Feynman graphs in a recursive and efficient manner. The algebraic representation of the graphs is such that they can be…

Mathematical Physics · Physics 2008-11-26 Angela Mestre , Robert Oeckl

We construct quantum commutators on module-algebras of quasi-triangular Hopf algebras. These are quantum-group covariant, and have generalized antisymmetry and Leibniz properties. If the Hopf algebra is triangular they additionally satisfy…

Quantum Algebra · Mathematics 2007-05-23 A. O. Garcia

The dynamical algebra of the q-deformed harmonic oscillator is constructed. As a result, we find the free deformed Hamiltonian as well as the Hamiltonian of the deformed oscillator as a complicated, momentum dependent interaction…

q-alg · Mathematics 2016-09-08 A. Lorek , J. Wess

Infinite dimensional representations of the real form U_q(u_{n,1}) of the Drinfeld--Jimbo algebra U_q(gl_{n+1}) are defined. The principal series of representations of U_q(u_{n,1}) is studied. Intertwining operators for pairs of the…

Quantum Algebra · Mathematics 2007-05-23 V. A. Groza , N. Z. Iorgov , A. U. Klimyk

Multi-parameter versions U_p(g) and C_p[G] of the standard quantum groups U_q(g) and C_q[G] are considered where G is a semi-simple connected complex algebraic group and g is the Lie algebra of G. The primitive spectrum of C_p[G] is…

q-alg · Mathematics 2008-02-03 Timothy J. Hodges , Thierry Levasseur , Margarita Toro

A short description is given of a construction of representations for quantum groups. The method uses infinitesimal dressing transformation on quantum homogeneous spaces and is illustrated on an example of Uq(so(5)).

Quantum Algebra · Mathematics 2007-05-23 P. Stovicek

To each graph without loops and multiple edges we assign a family of rings. Categories of projective modules over these rings categorify $U^-_q(\mathfrak{g})$, where $\mathfrak{g}$ is the Kac-Moody Lie algebra associated with the graph.

Quantum Algebra · Mathematics 2025-01-23 Mikhail Khovanov , Aaron D. Lauda

In this work we extend the recently introduced group-theoretical approach to moment-cumulant relations in non-commutative probability theory to the notion of conditionally free cumulants. This approach is based on a particular combinatorial…

Probability · Mathematics 2020-03-31 Kurusch Ebrahimi-Fard , Frederic Patras

We study the behaviors of quantum groups under an edge contraction. We show that there exists an explicit embedding induced by an edge contraction operation. We further conjecture that this explicit embedding is a section of an explicit…

Quantum Algebra · Mathematics 2023-09-01 Yiqiang Li

A subclass of dynamical semigroups induced by the interaction of a quantum system with an environment is introduced. Such semigroups lead to the selection of a stable subalgebra of effective observables. The structure of this subalgebra is…

Quantum Physics · Physics 2009-11-06 Robert Olkiewicz

We consider in general terms dynamical systems with finite-dimensional, non-simply connected configuration-spaces. The fundamental group is assumed to be finite. We analyze in full detail those ambiguities in the quantization procedure that…

Quantum Physics · Physics 2007-05-23 Domenico Giulini

Mathematical core of quantum mechanics is the theory of unitary representations of symmetries of physical systems. We argue that quantum behavior is a natural result of extraction of "observable" information about systems containing…

Quantum Physics · Physics 2011-10-03 Vladimir V. Kornyak

Recent elegant work on the structure of Perturbative Quantum Field Theory (PQFT) has revealed an astonishing interplay between analysis(Riemann Zeta functions), topology (Knot theory), combinatorial graph theory (Feynman Diagrams) and…

Quantum Physics · Physics 2007-05-23 A. I. Solomon , G. E. H. Duchamp , P. Blasiak , A. Horzela , K. A. Penson

Here we extend the algebro-geometric approach to free probability, started in~\cite{FMcK4,F14}, to general (non)-commutative probability theories. We show that any universal convolution product of moments of independent (non)-commutative…

Representation Theory · Mathematics 2015-06-24 Roland M. Friedrich , John McKay

The concept of quantum representation of finite groups (QRFG) has been a fundamental aspect of quantum computing for quite some time, playing a role in every corner, from elementary quantum logic gates to the famous Shor's and Grover's…

Quantum Physics · Physics 2024-02-12 Ruge Lin

We defined a non-commutative algebra representation for quantum systems whose phase space is the cotangent bundle of the Lorentz group, and the non-commutative Fourier transform ensuring the unitary equivalence with the standard group…

High Energy Physics - Theory · Physics 2019-05-22 Daniele Oriti , Giacomo Rosati

We construct families of irreducible representations for a class of quantum groups $U_{q}(f_{m}(K,H)$. First, we realize these quantum groups as Hyperbolic algebras. Such a realization yields natural families of irreducible weight…

Representation Theory · Mathematics 2008-03-27 Xin Tang , Yunge Xu

The properties of Hopf star operations and twisted Hopf stars operations on quantum groups are discussed in relation with the theory of representations (star representations). Invariant Hermitian sesquilinear forms (scalar products) on…

Mathematical Physics · Physics 2009-10-31 R. Coquereaux , A. O. Garcia , R. Trinchero