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A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,657 papers · 148 categories

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1122 · Mar 201919922001200920172026
33 results for q-deformation

Introduces qq-transpose for qq-deformed modular group matrices.

problem Understanding qq-deformed rational numbers and their properties.
method Introduces qq-transpose and applies it to refine qq-deformed modular group actions.
result New proof and refinement of Leclere and Morier-Genoud's trace palindromicity theorem.

New q-deformed integers help compute Jones polynomials efficiently.

problem Computing Jones polynomials of rational links efficiently.
method Defining q-deformed integers from pairs of coprime integers and using them to compute Jones polynomials.
result Efficient algorithm for computing Jones polynomials of rational links.

Compactifies stability space for A2A_2 category, introducing qq-deformed rational numbers.

problem Stability conditions in triangulated categories and their compactifications.
method Embedding into an infinite-dimensional projective space, using B3B_3 braid group action.
result Two orbits in the boundary correspond to qq-deformed rational numbers.

Link between braid groups and q-deformed rationals solves a classification problem.

problem Classifying faithful complex specializations of the Burau representation of braid group B3.
method Established a link between Burau representation and q-deformed rational numbers.
result Proved faithfulness of Burau representation outside a specific annulus.

Finite specializations of a q-deformed modular group at roots of unity.

problem Understanding the finiteness of specializations of a q-deformed modular group at roots of unity.
method Introduced a q-deformed modular group and studied its specializations at roots of unity.
result For ζnζ_n being a primitive nth root of unity, PSLq(2,Z)q=ζn\operatorname{PSL}_q(2,{\mathbb Z})|_{q=ζ_n} is finite if and only if Gq(ζn)G_q(ζ_n) is finite.

Proves existence and uniqueness of loop equation solutions for semisimple Frobenius manifolds.

problem Existence and uniqueness of solutions to loop equations in generalized Frobenius manifolds.
method Proves existence and uniqueness of solutions to loop equations for semisimple generalized Frobenius manifolds.
result Existence and uniqueness of solutions to loop equations for semisimple generalized Frobenius manifolds.

Unified treatment of gauge theories and Yang-Mills theory duality.

problem Unified treatment of gauge theories and Yang-Mills theory duality.
method Cohomological localization techniques and Atiyah-Singer index theorem.
result Unified framework and simplified derivations of localization formulas.

We discuss an approach to quantum gerbes over quantum groups in terms of q-deformation of transition functions for a loop group bundle. The case of the quantum group SUq(2) is treated in some detail.

2003-08-25abs ↗pdf ↗

Geometrically, Legendrian surfaces related by surgery have related skein-valued cluster spaces.

problem Understanding the skein-valued cluster transformation in Legendrian surfaces.
method Geometric considerations of moduli of holomorphic curves.
result Skein-valued cluster transformation of Legendrian surfaces related by surgery.

Study of qq-rationals and their geometric properties, including deformed Farey triangulation and Springborn operations.

problem Geometry of qq-rationals and their properties.
method Construction and analysis of deformed Farey triangulation and deformed modular surface; definition and study of Springborn operations.
result Derivation of a formula for the qq-deformed midpoint and new qq-deformation of Markov numbers.

We construct a braiding operator in terms of the quantum dilogarithm function based on the quantum cluster algebra. We show that it is a q-deformation of the R-operator for which hyperbolic octrahedron is assigned. Also shown is that, by taking q to be a root of unity, our braiding operator reduces to the Kashaev R-mat…

2014-04-08abs ↗pdf ↗

The theoretical basis for a candidate variational principle for the information bottleneck (IB) method is formulated within the ambit of the generalized nonadditive statistics of Tsallis. Given a nonadditivity parameter q q , the role of the \textit{additive duality} of nonadditive statistics (q=2q q^*=2-q ) in relating…

2008-11-19abs ↗pdf ↗

Study tangle equations linking enzyme actions to knot theory.

problem Proving the Jones Unknot conjecture and understanding tangle solutions.
method Analyzing framed tangle equations and introducing Kauffman bracket ratios.
result Unique rational solutions for tangle equations imply the Jones Unknot conjecture.

We study the connection between topological strings and contact homology recently proposed in the context of knot invariants. In particular, we establish the proposed relation between the Gromov-Witten disk amplitudes of a Lagrangian associated to a knot and augmentations of its contact homology algebra. This also impl…

2013-04-21abs ↗pdf ↗

We developed a strategic of optimal portfolio based on information theory and Tsallis statistics. The growth rate of a stock market is defined by using qq-deformed functions and we find that the wealth after n days with the optimal portfolio is given by a qq-exponential function. In this context, the asymptotic optim…

2018-11-17abs ↗pdf ↗

We conjecture formulae of the colored superpolynomials for a class of twist knots KpK_p where p denotes the number of full twists. The validity of the formulae is checked by applying differentials and taking special limits. Using the formulae, we compute both the classical and quantum super-A-polynomial for the twist k…

2012-09-06abs ↗pdf ↗

The notion of a Kähler structure for a differential calculus was recently introduced by the second author as a framework in which to study the noncommutative geometry of the quantum flag manifolds. It was subsequently shown that any covariant positive definite Kähler structure has a canonically associated triple satisf…

2019-03-18abs ↗pdf ↗

We review a construction of a new class of algebraic curves, called super-A-polynomials, and their quantum generalizations. The super-A-polynomial is a two-parameter deformation of the A-polynomial known from knot theory or Chern-Simons theory with SL(2,C) gauge group. The two parameters of the super-A-polynomial encod…

2013-03-15abs ↗pdf ↗

We extend neural networks with fractional and mixed activation functions for better function approximation.

problem Limitations in approximating higher-order smooth functions in complex spaces.
method Incorporating fractional exponents in activation functions and defining new density functions.
result Improved accuracy and broader applicability of neural network approximation theory.

Constructs integrable hierarchies for generalized Frobenius manifolds with non-flat unity.

problem Integrable hierarchies for generalized Frobenius manifolds with non-flat unity.
method Constructs a bihamiltonian integrable hierarchy of hydrodynamic type.
result Integrable hierarchy possesses Virasoro symmetries and a tau structure.

We study noncommutative bundles and Riemannian geometry at the semiclassical level of first order in a deformation parameter λλ, using a functorial approach. The data for quantisation of the cotangent bundle is known to be a Poisson structure and Poisson preconnection and we now show that this data defines to a functo…

2014-03-17abs ↗pdf ↗

We introduce and compute a 2-parameter family deformation of the A-polynomial that encodes the color dependence of the superpolynomial and that, in suitable limits, reduces to various deformations of the A-polynomial studied in the literature. These special limits include the t-deformation which leads to the "refined A…

2012-05-07abs ↗pdf ↗

New complex structures found in quantum SU(3) manifold.

problem Exploring non-commutative complex structures in quantum SU(3) manifold.
method Examined the rank two case of quantum SU(3) manifold, analyzing its differential calculus and non-commutative complex geometry.
result Found that the number of almost-complex structures reduces from 8 to 4, and each is integrable (complex structure).