activity
20142026
most citedFusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at -central charge

5 citations · 8 across the 9 of their papers we have counts for

collaborators

9 papers

math.DS2026

When Entropy flows: drifting along the route to Chaos

Eran Igra, Valerii Sopin, Yanghong Yu

Consider a smooth one-parameter family of vector fields defined over some smooth manifold transitions from order into chaos. Inspired by the Second law of Thermodynamics, one is le…

math.DS2025

Using Erdős's methods to study Yorke's problems

Eran Igra, Valerii Sopin

In this paper, we study the possible bifurcations of periodic orbits by analyzing them as graphs. In detail, we construct a collection of graphs which are an idealized versions of…

math.QA2025

A Tensor Category Construction of the Triplet Vertex Operator Algebra and Applications

Robert McRae, Valerii Sopin

For coprime , the triplet vertex operator algebra is a non-simple extension of the universal Virasoro vertex operator algebra of central charge…

math.DS2025

Period-Doubling Cascades Invariants: Braided Routes To Chaos

Eran Igra, Valerii Sopin

By a classical result of Kathleen Alligood and James Yorke we know that as we isotopically deform a map to a Smale horseshoe map we should often expect the…

math.QA2023★ 5 cited

Fusion and (non)-rigidity of Virasoro Kac modules in logarithmic minimal models at -central charge

Robert McRae, Valerii Sopin

Let be the category of finite-length modules for the Virasoro Lie algebra at central charge whose composition factors are irreducible quotients of reducible Ver…

math.QA2021

Quantum Lichnerowicz - Poisson complex

Valerii Sopin

Using the curved bc-beta-gamma system (a tensor product of a Heisenberg and a Clifford vertex algebra) we introduce quantum analogy of Lichnerowicz differential. As follows we sugg…

math.CO2018★ 1 cited

Construction of an algebra corresponding to a statistical model of the square ladder (square lattice with two lines)

Valerii Sopin

In this paper we define infinite-dimensional algebra and its representation, whose basis is naturally identified with semi-infinite configurations of the square ladder model. We al…

cs.CC2014

PH = PSPACE

Valerii Sopin

In this paper we show that PSPACE is equal to 4th level in the polynomial hierarchy. We also deduce a lot of important consequences. True quantified Boolean formula is a generalisa…

cs.DS2014★ 2 cited

A new algorithm for solving the rSUM problem

Valerii Sopin

A determined algorithm is presented for solving the rSUM problem for any natural r with a sub-quadratic assessment of time complexity in some cases. In terms of an amount of memory…