Results 51 to 60 of about 244,255 (319)

Primitive ideals and automorphisms of quantum matrices. [PDF]

open access: yes, 2007
Let K be a field and q be a nonzero element of K that is not a root of unity. We give a criterion for (0) to be a primitive ideal of the algebra O-q(M-m,M-n) of quantum matrices.
Lenagan, T.H.   +3 more
core   +1 more source

Certification of qubits in the prepare-and-measure scenario with large input alphabet and connections with the Grothendieck constant

open access: yesScientific Reports, 2023
We address the problem of testing the quantumness of two-dimensional systems in the prepare-and-measure (PM) scenario, using a large number of preparations and a large number of measurement settings, with binary outcome measurements. In this scenario, we
Péter Diviánszky   +3 more
doaj   +1 more source

Quantum group of automorphisms of a finite quantum group

open access: yesJournal of Algebra, 2015
18 pages; v2 corrects several minor points and improves results in Section 3.
Jyotishman Bhowmick   +2 more
openaire   +2 more sources

Interpreting Quantum Gravity. [PDF]

open access: yes, 2005
This is an essay review of two textbooks on quantum gravity by Carlo Rovelli and Claus ...
Dean Rickles, Rickles, Dean
core   +1 more source

Entanglement Properties of a Higher-Integer-Spin AKLT Model with Quantum Group Symmetry

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2012
We study the entanglement properties of a higher-integer-spin Affleck-Kennedy-Lieb-Tasaki model with quantum group symmetry in the periodic boundary condition.
Chikashi Arita, Kohei Motegi
doaj   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Quantum transport enhancement by time-reversal symmetry breaking [PDF]

open access: yes, 2013
Quantum mechanics still provides new unexpected effects when considering the transport of energy and information. Models of continuous time quantum walks, which implicitly use time-reversal symmetric Hamiltonians, have been intensely used to investigate ...
Faccin, M   +17 more
core   +1 more source

Quantum Groups and Quantum Semigroups

open access: yesJournal of Algebra, 1998
For a finite non-empty set \(\mathcal V\), a \(\mathcal V\)-face algebra is an algebra equipped with a coalgebra structure such that the comultiplication is an algebra morphism and the counit satisfies relations involving two complete sets of orthogonal idempotents indexed by \(\mathcal V\) and subject to certain conditions.
openaire   +1 more source

Double Quantum Groups

open access: yesJournal of Algebra, 2001
An entwining structure [\textit{T. Brzeziński} and \textit{S. Majid}, Commun. Math. Phys. 191, No. 2, 467-492 (1998; Zbl 0899.55016)] comprises an algebra \(A\), a coalgebra \(C\) and a linear map \(\psi\colon C\otimes A\to A\otimes C\), which is compatible with the multiplication and unit of \(A\), and the comultiplication and counit of \(C ...
Hobst, Daniela, Pareigis, Bodo
openaire   +2 more sources

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

open access: yesFEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill   +4 more
wiley   +1 more source

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