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161
18.712 Introduction to Representation Theory, Fall 2008
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Learning Object -
162
The ZX-calculus as a language for topological quantum computation
Published 2023“…We represent such generators for the Fibonacci and Ising models, namely the encoding of qubits and the associated braid group representations, with the ZX-calculus and show that in both cases, the Yang–Baxter equation is directly connected to an important rule in the complete ZX-calculus known as the P-rule, which enables one to interchange the phase gates defined with respect to complementary bases. …”
Journal article -
163
Double copy for massive quantum particles with spin
Published 2019“…The duality between color and kinematics was originally observed for purely adjoint massless gauge theories, and later found to hold even after introducing massive fermionic and scalar matter in arbitrary gauge-group representations. Such a generalization was critical for obtaining both loop amplitudes in pure Einstein gravity and realistic gravitational matter from the double copy. …”
Journal article -
164
Hexagonal Convolutional Neural Networks for Hexagonal Grids
Published 2019-01-01“…Then, we introduce the planer and spherical hexagonal grids and analyze the group representations for them, we review geometric deep learning, some Convolutional Neural Networks (CNNs) for hexagonal grids, and group-based equivariant convolution. …”
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165
Identification of a reversible quantum gate: assessing the resources
Published 2013-01-01“…In addition, we introduce the notion of generalized t -designs, which includes unitary t -designs and group representations as special cases. For gates forming a generalized t -design we give an explicit expression for the maximum probability of correct gate identification and we prove that there is no gap between the performances of deterministic strategies and those of probabilistic strategies. …”
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166
Conformal blocks from celestial gluon amplitudes. Part II. Single-valued correlators
Published 2021-11-01“…The conformal block spectrum consists of primary fields with dimensions ∆ = m + iλ, with integer m ≥ 1 and various, but always integer spin, in all group representations contained in the product of two adjoint representations.…”
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167
Brain activation of semantic category-based grouping in multiple identity tracking task.
Published 2017-01-01“…The ACC might be responsible for the initiation and maintenance of grouping representation.…”
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168
Generalized matrix functions, determinant and permanent
Published 2022-06-01“…Generalized matrix functions connect some branches of mathematics such as theory of finite groups, representation theory of groups, graph theory and combinatorics, and linear and multilinear algebra. …”
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169
Pacman geometries and the Hayward term in JT gravity
Published 2022-04-01“…Also study previous proposals on the superselection sectors, and by computing the density operator we obtain the Shannon entropy and some novel results on the symmetry group representations and edge modes. It also makes contact with the so-called defect operator found in [2]. …”
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170
Joseph Fourier 250thBirthday: Modern Fourier Analysis and Fourier Heat Equation in Information Sciences for the XXIst Century
Published 2019-03-01“…In parallel, the theory of coherent states and wavelets has been generalized over Lie groups (by associating coherent states to group representations that are square integrable over a homogeneous space). …”
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171
Warm Dark Matter from Higher-Dimensional Gauge Theories
Published 2021-11-01“…Warm dark matter particles with masses in the keV range have been linked with the large group representations in gauge theories through a high number of species at decoupling. …”
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172
Information inequalities and finite groups : an overview
Published 2015“…We recall Chan's technique of constructing random variables from groups and the corresponding notion of (abelian) group representable entropic vectors. We review different works on groups yielding violations of linear rank inequalities, and discuss the classification of finite groups based on the entropic vector that they yield.…”
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Conference Paper -
173
Cohomology and extensions of representations of groups with normal Engel subgroups
Published 2023“…Aiming at applications to double extensions and the theory of J-unitary group representations on indefinite metric spaces, we describe (λ, U)-cocycles when G = D n N is the semidirect product, D is an Engel group and the restrictions of λ, U to N are χ1 for some character χ on N (such pairs of representations form in a sense a base class in the variety of all pairs of representations). …”
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174
A critical analysis of newspaper editorial discourse on the portrayal of uprising in Libya and Syria
Published 2015“…The theoretical framework of this study was based on van Dijk’s model of ideological square that served as a guiding principle for us to treat the editorial voices as in-group (Saudi Arabia) and out-group representations (Pakistan).We used the qualitative data analysis software package NVivo 10 to analyze the data.Findings of 12 editorial texts elucidated ‘evaluative beliefs’ of editors and their ideological constructions of authorities and protestors as social actors of the uprising. …”
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175
Les tableaux de fréquences 2 x 2 et leur traitement statistique
Published 2007-03-01“…La comparaison des proportions obtenues dans deux groupes représente le modèle 1, les tailles de groupes étant prédéterminées : un test dû à Liddell et son approximation par le Khi-deux sont proposés, justifiés et validés. …”
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176
The Representative Potential of Interest Groups: Internal Voice in Post-Communist and Western European Countries
Published 2023-01-01“…An adequate understanding of “voice” forms the basis of “context”-embedded assessments of benchmarks such as interest group bias, interest group representational distortion, and interest group-driven policy overload. …”
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177
Determination of symmetry groups of 2-generator 2- groups of class two and their rationalization in molecular vibration
Published 2008“…From the computation, there are exactly 11 non-isomorphic families Bieberbach groups when P is cyclic group of order 2 (up to dimension 6) and their group representations, which are consistent to the polycyclic representations, are obtained. …”
Monograph -
178
An operational approach to spacetime symmetries: Lorentz transformations from quantum communication
Published 2016-01-01“…Not only does this operational approach predict the Lorentz transformations, but it also accurately describes the behavior of relativistic Stern–Gerlach devices in the WKB approximation, and it correctly predicts that quantum systems carry Lorentz group representations of different spin. This result thus hints at a novel information-theoretic perspective on spacetime.…”
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179
Great Britain and the United States of America as alterity figures for Romanians in the modern epoch: Ethno-cultural images and social representations
Published 2022-08-01“…Identity and alterity are thus constructed simultaneously and interdependently in accordance with group representations emerging from various sources: direct contact through travelling, mere legends or more verifiable accounts, scientific or fictional works, press articles tackling diverse topics, school textbooks, almanacs, etc. …”
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180
Eisenstein Series, Crystals, and Ice
Published 2012“…Crystal graphs encode important data associated to Lie group representations while ice models arise in the study of statistical mechanics. …”
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Article