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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.

169,181 papers · 148 categories

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1345 · Dec 200119922001200920182026
48 results for Superalgebras

The paper defines Z-graded hom-Lie superalgebras and explores their properties.

problem Understanding the structure and properties of Z-graded hom-Lie superalgebras.
method Definition and exploration of Z-graded hom-Lie superalgebras, invariant bilinear forms, and simplicity conditions.
result Maximal and minimal Z-graded hom-Lie superalgebras for local hom-Lie superalgebras are identified, and conditions for simplicity are checked.

New invariant for 3-manifolds from topological Hopf superalgebra.

problem Constructing an invariant for 3-manifolds.
method Using a ribbon superalgebra from a topological Hopf superalgebra, we construct an invariant of 3-manifolds of Hennings type.
result Constructs a new invariant for 3-manifolds from a topological Hopf superalgebra.

Starting from the four normed division algebras - the real numbers, complex numbers, quaternions and octonions - a systematic procedure gives a 3-cocycle on the Poincare Lie superalgebra in dimensions 3, 4, 6 and 10. A related procedure gives a 4-cocycle on the Poincare Lie superalgebra in dimensions 4, 5, 7 and 11. In…

2010-03-17abs ↗pdf ↗

A notion of n-Lie algebra introduced by V.T. Filippov can be viewed as a generalization of a concept of binary Lie algebra to the algebras with n-ary multiplication law. A notion of Lie algebra can be extended to Z_2-graded structures giving a notion of Lie superalgebra. Analogously a notion of n-Lie algebra can be ext…

2015-11-26abs ↗pdf ↗

Recent work applying higher gauge theory to the superstring has indicated the presence of `higher symmetry'. Infinitesimally, this is realized by a `Lie 2-superalgebra' extending the Poincare superalgebra in precisely the dimensions where the classical supersymmetric string makes sense: 3, 4, 6 and 10. In the previous …

2011-09-16abs ↗pdf ↗

Study Euler and Betti numbers of homology groups for a specific type of superalgebra.

problem Calculating Euler and Betti numbers for homology groups of pre Lie superalgebras.
method Introduced double weighted chain spaces to analyze pre Lie superalgebras of multi-vector fields with polynomial coefficients. Calculated Euler and Betti numbers for these homology groups.
result Derived formulas for Euler and Betti numbers of homology groups of pre Lie superalgebras.

Symmetry algebras of Killing vector fields and conformal Killing vectors fields can be extended to Killing-Yano and conformal Killing-Yano superalgebras in constant curvature manifolds. By defining Z\mathbb{Z}-gradations and filtrations of these superalgebras, we show that the second cohomology groups of them are triv…

2017-01-16abs ↗pdf ↗

From the four normed division algebras--the real numbers, complex numbers, quaternions and octonions, of dimension k=1, 2, 4 and 8, respectively--a systematic procedure gives a 3-cocycle on the Poincare superalgebra in dimensions k+2=3, 4, 6 and 10, and a 4-cocycle on the Poincare superalgebra in dimensions k+3=4, 5, 7…

2011-06-17abs ↗pdf ↗

We determine the structure of the *-Lie superalgebra generated by a set of carefully chosen natural operators of an orientable WSD manifold of rank three. This Lie superalgebra is formed by global sections of a natural Lie superalgebra bundle, and turns out to be a product of $\mathbf{sl}(4,\C)$ with the full special…

2007-06-07abs ↗pdf ↗

We study the algebraic structure of the Killing superalgebra of a supersymmetric background of 1111-dimensional supergravity and show that it is isomorphic to a filtered deformation of a Z\mathbb Z-graded subalgebra of the Poincaré superalgebra. We are able to map the classification problem for highly supersymmetric b…

2016-08-21abs ↗pdf ↗

We determine the Killing superalgebras underpinning field theories with rigid unextended supersymmetry on Lorentzian four-manifolds by re-interpreting them as filtered deformations of Z\mathbb{Z}-graded subalgebras with maximum odd dimension of the N=1N{=}1 Poincaré superalgebra in four dimensions. Part of this calcula…

2016-05-03abs ↗pdf ↗

Extends Killing superalgebras to higher dimensions and signatures.

problem Generalizing Killing superalgebras to higher dimensions and signatures.
method Definition of Killing superalgebras for connections on spinor bundles, sufficient conditions for existence, abstract study using Spencer cohomology.
result Existence of Killing superalgebras as filtered deformations of graded subalgebras of the Poincaré superalgebra.

Extends symmetry superalgebras to include all hidden symmetries of manifolds.

problem Tackles hidden symmetries of manifolds generated by Killing spinors.
method Defines generalized symmetry superalgebras, constructs Lie algebra structure, and defines symmetry operators.
result Constructs special Killing-Yano and conformal Killing-Yano forms from bilinears of Killing spinors.

We describe explicitly Lie superalgebra isomorphisms between the Lie superalgebras of first-order superdifferential operators on supermanifolds, showing in particular that any such isomorphism induces a diffeomorphism of the supermanifolds. We also prove that the group of automorphisms of such a Lie superalgebra is a s…

2010-11-08abs ↗pdf ↗

The paper realizes Lie superalgebras G(3) and F(4) as symmetries of supergeometries.

problem Addressing whether exceptional Lie superalgebras G(3) and F(4) are maximal symmetries of supergeometries.
method Considering negatively graded Lie superalgebras for every choice of parabolic subgroup, computing Tanaka-Weisfeiler prolongations, and reducing the structure group when required.
result Realization of 19 inequivalent G(3)-supergeometries and 55 inequivalent F(4)-supergeometries.

The study explores Lie superalgebras constructed from Lie algebras using Schouten-like brackets.

problem Investigate how the core Lie algebra controls the Lie superalgebra.
method Construct Lie superalgebras from abstract Lie algebras using Schouten-like brackets and analyze Betti numbers of super homology groups.
result For low dimensional non-abelian Lie algebras, the Betti numbers of super homology groups provide insights into the control of the core Lie algebra.

Bounds on knot polynomials for Lie superalgebras of type I.

problem Determining genus bounds for knot polynomials colored by Lie superalgebra representations.
method Proved bounds on the tt-degree of knot polynomials, relating it to the number of odd roots and the genus of the knot.
result Proved bounds on knot polynomials for Lie superalgebras of type I, showing equality for certain knots.

We show that the first-order symmetry operators of twistor spinors can be constructed from conformal Killing-Yano forms in conformally-flat backgrounds. We express the conditions on conformal Killing-Yano forms to obtain mutually commuting symmetry operators of twistor spinors. Conformal superalgebras which consist of …

2016-05-11abs ↗pdf ↗

Defines Killing spinors and bosonic backgrounds in 5D supergravity.

problem Characterizing backgrounds in 5D supergravity.
method Calculates Spencer cohomology, defines Killing spinors, and imposes constraints on spinor connection curvature.
result Recover field equations of 5D supergravity and find new field equations for sp(1)\mathfrak{sp}(1)-valued one-form.

Classifies kinematical and aristotelian Lie superalgebras and their superspaces.

problem Classifying Lie superalgebras and their associated superspaces.
method Quaternionic formalism to simplify calculations, classification via isomorphism and central extensions, geometric limits to explore relationships.
result 27 homogeneous superspaces classified, some with parameters.

Novel symmetry found in colored HOMFLY polynomials from superalgebras.

problem Understanding symmetries in colored HOMFLY polynomials.
method Exploring the sl(NM)\mathfrak{sl}(N|M) superalgebra to find a symmetry.
result A symmetry relating polynomials colored by different representations.

Given a finite dimensional representation of a semisimple Lie algebra there are two ways of constructing link invariants: 1) quantum group invariants using the R-matrix, 2) the Kontsevich universal link invariant followed by the Lie algebra based weight system. Le and Murakami showed that these two link invariants are …

2004-11-02abs ↗pdf ↗

In this paper, we show that the Lie superalgebra spo(2l+2n)\mathfrak{spo}(2l+2|n) is into the intersection of Lie superalgebra of contact vector fields K(2l+1n)\mathcal{K}(2l+1|n) and the Lie superalgebra of projective vector fields pgl(2l+2n)\mathfrak{pgl}(2l+2|n). We use mainly the embedding used by P. Mathonet and F. Radoux in "\textit{ …

2016-06-30abs ↗pdf ↗

We recover the classification of the maximally supersymmetric bosonic backgrounds of eleven-dimensional supergravity by Lie algebraic means. We classify all filtered deformations of the Z\mathbb Z-graded subalgebras h=h2h1h0\mathfrak{h}=\mathfrak{h}_{-2}\oplus\mathfrak{h}_{-1}\oplus\mathfrak{h}_{0} of the Poincaré superalge…

2015-11-27abs ↗pdf ↗

The abstract discusses new 3-manifold invariants and ETQFTs from Lie superalgebra representations.

problem Developing new 3-manifold invariants and ETQFTs from Lie superalgebra representations.
method Examining two m-traces in the category of representations over quantum sl(mn)\mathfrak{sl}(m|n), considering quotients, and conjecturing generalizations.
result Quotients of perturbative modules over quantum sl(mn)\mathfrak{sl}(m|n) lead to 3-manifold invariants and ETQFTs.

Classifies non-integrable distributions with simple infinite-dimensional Lie superalgebras of symmetries.

problem Classifying non-integrable distributions with specific Lie superalgebras.
method Classification based on locality assumptions and W-grading.
result 15 series and 7 exceptional Lie superalgebras identified over C\mathbb{C}, and analogs over K\mathbb{K} of characteristic p>0p>0.

Extended superalgebras from twistor and Killing spinors in constant curvature and Einstein manifolds.

problem Constructing extended superalgebras from twistor and Killing spinors.
method Using twistor and Killing spinors, symmetry operators, and KY/CKY forms, extended superalgebras are constructed.
result Extended Killing and conformal superalgebras are constructed in constant curvature and Einstein manifolds.

The Spencer cohomology of certain graded Lie superalgebras are completely computed. This cohomology is interpreted as analogs of Riemann and Penrose tensors on supermanifolds. The results make it manifest that there is no simple generalization of Borel-Weil-Bott's theorem for Lie superalgebras.

2005-10-08abs ↗pdf ↗

We use the manifestly conformally invariant description of a Lorentzian conformal structure in terms of a parabolic Cartan geometry in order to introduce a superalgebra structure on the space of twistor spinors and normal conformal vector fields formulated in purely algebraic terms on parallel sections in tractor bundl…

2014-08-10abs ↗pdf ↗

We introduce and study a construction of higher derived brackets generated by a (not necessarily inner) derivation of a Lie superalgebra. Higher derived brackets generated by an element of a Lie superalgebra were introduced in our earlier work. Examples of higher derived brackets naturally appear in geometry and mathem…

2004-12-09abs ↗pdf ↗

Quantum invariant constructed for sutured 3-manifolds using Hopf superalgebra.

problem Quantum invariants for balanced sutured 3-manifolds with SpincSpin^{c} structure.
method Involutive Hopf superalgebra HH and Fox calculus to compute the invariant.
result Invariant is a normalization of Reidemeister torsion when HH is Borel subalgebra of Uq(gl(11))U_{q}(\mathfrak{gl}(1|1)).

We study nn-ary commutative superalgebras and LL_{\infty}-algebras that possess a skew-symmetric invariant form, using the derived bracket formalism. This class of superalgebras includes for instance Lie algebras and their nn-ary generalizations, commutative associative and Jordan algebras with an invariant form. We…

2014-09-11abs ↗pdf ↗

The main result of this paper is the computation of the Lie superalgebras of holomorphic vector fields on the complex ΠΠ-symmetric flag supermanifolds, introduced by Yu.I.~Manin. We prove that with one exception any vector field is fundamental with respect to the natural action of the Lie superalgebra $\mathfrak q_n(\…

2015-06-07abs ↗pdf ↗