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Random tensor models for a generic complex tensor generalize matrix models in arbitrary dimensions and yield a theory of random geometries. They support a 1/N expansion dominated by graphs of spherical topology. Their Schwinger Dyson…

High Energy Physics - Theory · Physics 2015-06-04 Razvan Gurau

Tensor models generalize random matrix models in yielding a theory of dynamical triangulations in arbitrary dimensions. Colored tensor models have been shown to admit a 1/N expansion and a continuum limit accessible analytically. In this…

High Energy Physics - Theory · Physics 2012-08-27 Valentin Bonzom , Razvan Gurau , Vincent Rivasseau

Colored tensor models have recently burst onto the scene as a promising conceptual and computational tool in the investigation of problems of random geometry in dimension three and higher. We present a snapshot of the cutting edge in this…

High Energy Physics - Theory · Physics 2012-04-11 Razvan Gurau , James P. Ryan

Colored tensor models generalize matrix models in arbitrary dimensions yielding a statistical theory of random higher dimensional topological spaces. They admit a 1/N expansion dominated by graphs of spherical topology. The simplest tensor…

High Energy Physics - Theory · Physics 2013-05-29 Razvan Gurau

Colored tensor models have been recently shown to admit a large N expansion, whose leading order encodes a sum over a class of colored triangulations of the D-sphere. The present paper investigates in details this leading order. We show…

High Energy Physics - Theory · Physics 2011-08-31 Valentin Bonzom , Razvan Gurau , Aldo Riello , Vincent Rivasseau

Tensor models generalize matrix models and generate colored triangulations of pseudo-manifolds in dimensions $D\geq 3$. The free energies of some models have been recently shown to admit a double scaling limit, i.e. large tensor size $N$…

High Energy Physics - Theory · Physics 2014-09-12 Valentin Bonzom , Razvan Gurau , James P. Ryan , Adrian Tanasa

In this paper we extend the 1/N expansion introduced in [1] to group field theories in arbitrary dimension and prove that only graphs corresponding to spheres S^D contribute to the leading order in the large N limit.

General Relativity and Quantum Cosmology · Physics 2019-08-17 Razvan Gurau , Vincent Rivasseau

The notion of color algebras is generalized to the class of F-ary algebras, and corresponding decoloration theorems are established. This is used to give a construction of colored structures by means of tensor products with Clifford-like…

Mathematical Physics · Physics 2009-06-11 R. Campoamor-Stursberg , M. Rausch de Traubenberg

The loop equations in the $U(N)$ lattice gauge theory are represented in the form of constraints imposed on a generating functional for the Wilson loop correlators. These constraints form a closed algebra with respect to commutation. This…

High Energy Physics - Theory · Physics 2009-10-28 K. Zarembo

Random tensor models are generalizations of matrix models which also support a 1/N expansion. The dominant observables are in correspondence with some trees, namely rooted trees with vertices of degree at most $D$ and lines colored by a…

Mathematical Physics · Physics 2012-06-20 Valentin Bonzom , Razvan Gurau

We define a new large $N$ limit for general $\text{O}(N)^{R}$ or $\text{U}(N)^{R}$ invariant tensor models, based on an enhanced large $N$ scaling of the coupling constants. The resulting large $N$ expansion is organized in terms of a…

High Energy Physics - Theory · Physics 2019-04-23 Frank Ferrari , Vincent Rivasseau , Guillaume Valette

We investigate in details how the Virasoro algebra appears in the scaling limit of the simplest lattice models of XXZ or RSOS type. Our approach is straightforward but to our knowledge had never been tried so far. We simply formulate a…

High Energy Physics - Theory · Physics 2009-10-22 W. M. Koo , H. Saleur

We introduce a class of novel $\mathbb{Z}_2 \times \mathbb{Z}_2$-graded color superalgebras of infinite dimension. It is done by realizing each member of the class in the universal enveloping algebra of a Lie superalgebra which is a module…

Mathematical Physics · Physics 2020-07-09 N. Aizawa , P. S. Isaac , J. Segar

In this paper we perform the 1/N expansion of the colored three dimensional Boulatov tensor model. As in matrix models, we obtain a systematic topological expansion, with more and more complicated topologies suppressed by higher and higher…

General Relativity and Quantum Cosmology · Physics 2011-05-18 Razvan Gurau

We analyze the rainbow tensor model and present the Virasoro constraints, where the constraint operators obey the Witt algebra and null 3-algebra. We generalize the method of W-representation in matrix model to the rainbow tensor model,…

High Energy Physics - Theory · Physics 2023-01-11 Bei Kang , Lu-Yao Wang , Ke Wu , Jie Yang , Wei-Zhong Zhao

For a given Lie superalgebra, two ways of constructing color superalgebras are presented. One of them is based on the color superalgebraic nature of the Clifford algebras. The method is applicable to any Lie superalgebras and results in…

Mathematical Physics · Physics 2018-03-06 N. Aizawa

The first cohomology group of a generalized loop Virasoro algebra with coefficients in the tensor product of its adjoint module is shown to be trivial. The result is applied to prove that Lie bialgebra structures on generalized loop…

Quantum Algebra · Mathematics 2016-11-25 Henan Wu , Song Wang , Xiaoqing Yue

In this paper we generalize the results of [1,2] and derive the full 1/N expansion of colored tensor models in arbitrary dimensions. We detail the expansion for the independent identically distributed model and the topological Boulatov…

General Relativity and Quantum Cosmology · Physics 2015-05-27 Razvan Gurau

We perform generalizations of Witt and Virasoro algebras, and derive the corresponding Korteweg-de Vries equations from known R(p,q)-deformed quantum algebras previously introduced in J. Math. Phys. 51, 063518, (2010). Related relevant…

Mathematical Physics · Physics 2021-05-26 Mahouton Norbert Hounkonnou , Fridolin Melong , Melanija Mitrovic

Tensor models are generalization of matrix models, and are studied as models of quantum gravity. It is shown that the symmetry of the rank-three tensor models is generated by a hierarchy of n-ary algebras starting from the usual commutator,…

High Energy Physics - Theory · Physics 2011-08-03 Naoki Sasakura
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