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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.

168,695 papers · 148 categories

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48 results for Differential graded coefficients

Extends Morse-Novikov Homology to include differential graded coefficients and fibration structures.

problem Extending Morse-Novikov Homology with differential graded coefficients.
method Constructs a Morse-Novikov complex and proves the existence of a Chas-Sullivan-like product for a fibration.
result Proves the existence of a Chas-Sullivan-like product on the Novikov completion of a fibration.

Develops a chain-level model for Chas-Sullivan products using Morse theory with differential graded coefficients.

problem Chas-Sullivan products on homology of loop spaces.
method Morse theory with differential graded coefficients, functorial properties, K{ü}nneth formula, Pontryagin-Thom construction.
result Chain-level description of Chas-Sullivan products.

Transport functions for principal bundles and Morse homology with differential graded coefficients

problem Transport functions for principal bundles
method Constructing transport functions as maps from broken gradient flow lines to a topological group
result Recovering the principal bundle from the transport function

Obstruction theory for complex bigraded differential algebras.

problem Understanding extensions and minimal models of bigraded differential algebras with twisted coefficients.
method Development of obstruction theory for Hirsch extensions.
result Proof of uniqueness of relative minimal models and characterization of formality.

Colored knot polynomials possess a peculiar Z-expansion in certain combinations of differentials, which depends on the representation. The coefficients of this expansion are functions of the three variables (A,q,t) and can be considered as new distinguished coordinates on the space of knot polynomials, analogous to the…

2013-06-24abs ↗pdf ↗

We rewrite the recently proposed differential expansion formula for HOMFLY polynomials of the knot 414_1 in arbitrary rectangular representation R=[rs]R=[r^s] as a sum over all Young sub-diagrams λλ of RR with extraordinary simple coefficients Dλtr(r)Dλ(s)D_{λ^{tr}}(r)\cdot D_λ(s) in front of the ZZ-factors. Somewhat miraculously…

2016-09-01abs ↗pdf ↗

Given a unital associatve graded algebra we construct the graded q-differential algebra by means of a graded q-commutator, where q is a primitive N-th root of unity. The N-th power (N>1) of the differential of this graded q-differential algebra is equal to zero. We use our approach to construct the graded q-differentia…

2005-09-21abs ↗pdf ↗

This is the second in a series of papers laying the foundations for a differential graded approach to derived differential geometry (and other geometries in characteristic zero). In this paper, we extend the classical notion of a dg-algebra to define, in particular, the notion of a differential graded algebra in the wo…

2012-12-16abs ↗pdf ↗

Defines Floer homology with DG coefficients for symplectic manifolds.

problem Computing Floer homology with DG coefficients for symplectic manifolds.
method Develops DG Floer toolset, defines spectral invariants, and proves Viterbo isomorphism theorem.
result Establishes almost existence of contractible periodic orbits on cotangent bundles.

This paper develops a theory of graded manifolds in differential geometry.

problem Defining consistent global descriptions of graded manifolds with mixed graded coordinates.
method Using sheaves of graded commutative associative algebras on topological spaces.
result Resolved known issues in the definition of graded manifolds, especially those involving mixed graded coordinates.

Let CC be a differential graded coalgebra, ΩˉC \barΩC the Adams cobar construction and CC^\vee the dual algebra. We prove that for a large class of coalgebras CC there is a natural isomorphism of Gerstenhaber algebras between the Hochschild cohomologies HH(C,C)HH^\ast (C^\vee, C ^\vee) and HH(ΩˉC;ΩˉC)HH^\ast (\barΩC ; \barΩC). Thi…

2002-11-14abs ↗pdf ↗

Determines algebra structure of complex differential forms operators.

problem Identifying the algebra structure of differential operators on complex-valued differential forms.
method Shows it is the universal enveloping algebra of a graded Lie algebra and determines its cohomology.
result Determines the cohomology of the graded Lie algebra with respect to various inner differentials.

Given a compact Kaehler manifold, we consider the complement U of a divisor with normal crossings and a unitary local system V on it. We consider a differential graded Lie algebra (DGLA) of forms with holomorphic logarithmic singularities and vanishing residues. We construct a spectral sequence corresponding to the ant…

1998-02-01abs ↗pdf ↗

We iterate Manolescu's unoriented skein exact triangle in knot Floer homology with coefficients in the field of rational functions over Z/2Z\mathbb{Z}/2\mathbb{Z}. The result is a spectral sequence which converges to a stabilized version of delta-graded knot Floer homology. The (E2,d2)(E_2,d_2) page of this spectral sequence …

2011-05-26abs ↗pdf ↗

We introduce the concept of NN-differential graded algebras (N-dga), and study the moduli space of deformations of the differential of a N-dga. We prove that it is controlled by what we call the N-Maurer-Cartan equation.

2005-04-19abs ↗pdf ↗

New dg-algebras link graph colorings to sheaves.

problem Linking graph colorings to sheaves for Legendrian surfaces.
method Generalized Casals-Murphy dg-algebra to non-commutative coefficients and computed Legendrian contact dg-algebra.
result Rank r representations of dg-algebras correspond to colorings of faces in Grassmannian.

For a smooth family F of admissible elliptic pseudodifferential operators with differential form coefficients associated to a geometric fibration of manifolds M--> B we show that there is a natural zeta-form z(F,s) and zeta-determinant- form det(F) in the de-Rham algebra of smooth differential forms, generalizing the c…

2004-06-15abs ↗pdf ↗

This paper proves equivalence between derived manifolds and differential graded manifolds.

problem Characterizing derived manifolds and their relationship to differential graded manifolds.
method Proving equivalence between the infinity categories of derived manifolds and differential graded manifolds.
result The infinity category of differential graded manifolds is equivalent to that of derived manifolds.

This paper aims at setting out the basics of Z\mathbb{Z}-graded manifolds theory. We introduce Z\mathbb{Z}-graded manifolds from local models and give some of their properties. The requirement to work with a completed graded symmetric algebra to define functions is made clear. Moreover, we define vector fields and ex…

2015-12-09abs ↗pdf ↗

We show that the category of Lie triple systems is equivalent to the category of Lie algebras graded by Z/(2Z) such that the odd component generates the algbera and the second graded cohomology group coefficients in any trivial module is zero. As a corollary we obtain an analogous result for symmetric spaces and Lie gr…

2009-06-05abs ↗pdf ↗

We define the notions of trace, determinant and, more generally, Berezinian of matrices over a (Z_2)^n graded commutative associative algebra. The applications include a new approach to the classical theory of matrices with coefficients in a Clifford algebra, in particular of quaternionic matrices. In a special case, w…

2011-09-27abs ↗pdf ↗

The geometry of graded principal bundles is discussed in the framework of graded manifold theory of Kostant-Berezin-Leites. In particular, we prove that a graded principal bundle is globally trivial if and only if it admits a global graded section and, further, that the sheaf of vertical derivations on such a bundle co…

1996-05-16abs ↗pdf ↗

We construct families of differential graded algebras R and R \boxtimes R and give an algebraic formulation of the contact category of a disk through the differential graded category DGP(R) generated by some distinguished projective differential graded R-modules. The homology category H^0(DGP(R)) is a triangulated cate…

2012-10-21abs ↗pdf ↗

Given a graded E1E_1-module over an E2E_2-algebra in spaces, we construct an augmented semi-simplicial space up to higher coherent homotopy over it, called its canonical resolution, whose graded connectivity yields homological stability for the graded pieces of the module with respect to constant and abelian coefficien…

2017-10-23abs ↗pdf ↗

A formula connects two algebraic structures derived from a category.

problem Connecting two algebraic structures derived from a category.
method Using differential graded modular functors and Calabi-Yau structures.
result The action of a specific mapping class group element transforms one algebraic structure into another.

New calculus framework for vector bundles with metrics.

problem Developing calculus for vector bundles with fiber metrics.
method Adapting differential calculus to graded commutative algebras and focusing on diole and triole algebras.
result Triole algebra provides a suitable environment for vector bundle calculus with fiber metrics.

The derived bracket of a Maurer-Cartan element in a differential graded Lie algebra (DGLA) is well-known to define a differential graded Leibniz algebra. It is also well-known that a Lie infinity morphism between DGLAs maps a Maurer-Cartan element to a Maurer-Cartan element. Given a Lie-infinity morphism, a Maurer-elem…

2018-07-21abs ↗pdf ↗

Geometric structures on NQ\mathbb N Q-manifolds, i.e.~non-negatively graded manifolds with an homological vector field, encode non-graded geometric data on Lie algebroids and their higher analogues. A particularly relevant class of structures consists of vector bundle valued differential forms. Symplectic forms, contac…

2014-06-24abs ↗pdf ↗

This is the second part in a series of two papers. The kk-Dirac complex is a complex of differential operators which are natural to a particular 2|2|-graded parabolic geometry. In this paper we will consider the kk-Dirac complex over a homogeneous space of the parabolic geometry and as a first result, we will prove …

2017-05-29abs ↗pdf ↗

Let X be a pseudomanifold. In this text, we use a simplicial blow-up to define a cochain complex whose cohomology with coefficients in a field, is isomorphic to the intersection cohomology of X, introduced by M. Goresky and R. MacPherson. We do it simplicially in the setting of a filtered version of face sets, also cal…

2012-05-31abs ↗pdf ↗

In this work, the Z3_3-graded differential geometry of the quantum plane is constructed. The corresponding quantum Lie algebra and its Hopf algebra structure are obtained. The dual algebra, i.e. universal enveloping algebra of the quantum plane is explicitly constructed and an isomorphism between the quantum Lie algeb…

2002-01-03abs ↗pdf ↗

We elaborate on the recent observation that evolution for twist knots simplifies when described in terms of triangular evolution matrix B{\cal B}, not just its eigenvalues ΛΛ, and provide a universal formula for B{\cal B}, applicable to arbitrary rectangular representation R=[rs]R=[r^s]. This expression is in terms of s…

2019-02-11abs ↗pdf ↗