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We give a coalgebra structure on 1-vertex irreducible graphs which is that of a cocommutative coassociative graded connected coalgebra. We generalize the coproduct to the algebraic representation of graphs so as to express a bare 1-particle…

Mathematical Physics · Physics 2015-03-13 Angela Mestre

The coefficients occurring in summation formulae of the Lubbock type are shown to be generalised Bernoulli polynomials which turn up in subdivision questions such as quantum field theory around a conical singularity and on spherical lunes.…

Numerical Analysis · Mathematics 2013-08-27 J. S. Dowker

Topological conformal field theories based on superconformal current algebras are constructed. The models thus obtained are the supersymmetric version of the $G/G$ coset theories. Their topological conformal algebra is generated by…

High Energy Physics - Theory · Physics 2011-08-12 J. M. Isidro , A. V. Ramallo

We describe a prescription for constructing conformal blocks in conformal field theories in any space-time dimension with arbitrary quantum numbers. Our procedure reduces the calculation of conformal blocks to constructing certain group…

High Energy Physics - Theory · Physics 2019-05-02 Jean-François Fortin , Witold Skiba

We study the dynamics of N=1 supersymmetric systems consisting of the strongly-coupled superconformal theory T_N, SU(N) gauge groups, and fundamental chiral multiplets. We demonstrate that such systems exhibit familiar phenomena such as…

High Energy Physics - Theory · Physics 2015-06-16 Kazunobu Maruyoshi , Yuji Tachikawa , Wenbin Yan , Kazuya Yonekura

We study the correspondence between four-dimensional supersymmetric gauge theories and two-dimensional conformal field theories in the case of N=2* gauge theory. We emphasize the genus expansion on the gauge theory side, as obtained via…

High Energy Physics - Theory · Physics 2015-06-12 Amir-Kian Kashani-Poor , Jan Troost

We study conformal blocks of conformal field theories with a W3 symmetry algebra in the limit where the central charge is large. In this limit, we compute the four-point block as a special case of an sl3-invariant function. In the case when…

High Energy Physics - Theory · Physics 2015-05-30 Vladimir Fateev , Sylvain Ribault

We study conformal blocks for thermal one-point-functions on the sphere in conformal field theories of general dimension. These thermal conformal blocks satisfy second order Casimir differential equations and have integral representations…

High Energy Physics - Theory · Physics 2019-08-07 Yan Gobeil , Alexander Maloney , Gim Seng Ng , Jie-qiang Wu

For an arbitrary homogeneous linear recurrence sequence of order d with constant coefficients, we derive recurrence relations for all subsequences with indices in arithmetic progression. The coefficients of these recurrences are given…

Number Theory · Mathematics 2016-11-29 Daniel Birmajer , Juan B. Gil , Michael D. Weiner

Following the set up in arXiv:1408.3393, we study 4d N=1 superconformal field theories in conic spaces. We show that the universal part of supersymmetric R\'enyi entropy S_q across a spherical entangling surface in the limit q goes to 0 is…

High Energy Physics - Theory · Physics 2015-08-14 Yang Zhou

We extend the work of [4] to support the conjecture that any conformal field theory with a large N expansion and a large gap in the spectrum of anomalous dimensions has a local bulk dual. We count to O(1/N^2) the solutions to the crossing…

High Energy Physics - Theory · Physics 2014-11-21 Idse Heemskerk , James Sully

In recent years, there has been significant progress in the theory of orthogonal polynomials on algebraic curves, particularly on genus 1 surfaces. In this paper, we focus on elliptic orthogonal polynomials and establish several of their…

Mathematical Physics · Physics 2025-06-12 Harini Desiraju , Sampad Lahiry

We give a recursive method to compute the classical conformal blocks in Liouville field theory. The values of the expansion coefficients are given by an algebraic scheme which works to all orders. The algebraic expression of the intervening…

High Energy Physics - Theory · Physics 2025-12-23 Pietro Menotti

We investigate the interactions of discrete zero-form and one-form global symmetries in (1+1)d theories. Focus is put on the interactions that the symmetries can have on each other, which in this low dimension result in 2-group symmetries…

High Energy Physics - Theory · Physics 2021-09-01 Matthew Yu

We develop techniques to calculate an index for four dimensional superconformal field theories. This superconformal index is counting BPS operators which preserve only one supercharge. To calculate the superconformal index we quantize the…

High Energy Physics - Theory · Physics 2007-07-26 Christian Romelsberger

We study large $c$ conformal blocks outside the known limits. This work seems to be hard, but it is possible numerically by using the Zamolodchikov recursion relation. As a result, we find new some properties of large $c$ conformal blocks…

High Energy Physics - Theory · Physics 2018-08-01 Yuya Kusuki

One of equivalents of the Riemann hypothesis is Li's criterion that all Li coefficients are positive. We study recurrence relations of Li coefficients in this note.

Number Theory · Mathematics 2020-06-24 Huan Xiao

We show that trace functions on modules of topological N=2 super vertex algebras give rise to conformal blocks on elliptic supercurves. We show that they satisfy a system of linear partial differential equations with respect to the modular…

Quantum Algebra · Mathematics 2014-08-05 Reimundo Heluani , Jethro Van Ekeren

By way of intersection theory on $\bar M_{g,n}$, we show that geometric interpretations for conformal blocks, as sections of ample line bundles over projective varieties, do not have to hold at points on the boundary. We show such a…

Algebraic Geometry · Mathematics 2016-03-29 Prakash Belkale , Angela Gibney , Anna Kazanova

The study of the effective potential for non-renormalisable scalar SO(N) symmetric theories leads to recurrence relations for the coefficients of the leading logarithms. These relations can be transformed into generalised…

High Energy Physics - Theory · Physics 2025-01-28 R. M. Iakhibbaev , D. M. Tolkachev