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48 results for homological mirror symmetry

Study homological mirror symmetry for Hirzebruch surfaces using Morse homotopy.

problem Homological mirror symmetry for Hirzebruch surfaces Fk\mathbb{F}_k.
method Using Strominger-Yau-Zaslow construction and Morse homotopy.
result Homological mirror symmetry holds for Hirzebruch surfaces Fk\mathbb{F}_k.

The paper discusses a solution to homological mirror symmetry for complex tori, especially when the matrix is singular.

problem Homological mirror symmetry for complex tori, particularly when the matrix is singular.
method Proposes a new approach to define a mirror partner for complex tori of dimension n2n \geq 2 when the matrix is singular.
result Proposes a method to avoid the problem of defining a mirror partner for complex tori of higher dimensions when the matrix is singular.

Study symplectic cohomology of certain singularities using homological mirror symmetry.

problem Compute symplectic cohomology for specific singularities.
method Use homological mirror symmetry to compute symplectic cohomology.
result Suggests a new conjecture about the relationship between small resolutions and symplectic cohomology.

Homological mirror symmetry proved for symmetric squares of punctured spheres.

problem Proving homological mirror symmetry for symmetric squares of punctured spheres.
method Constructed quasi-equivalences between wrapped Fukaya categories and derived categories of coherent sheaves, using categorical resolutions and localisation.
result Wrapped Fukaya category of symmetric square quasi-equivalent to coherent sheaves on a singular surface.

In this paper we discuss two major conjectures in Mirror Symmetry: Strominger-Yau-Zaslow conjecture about torus fibrations, and the homological mirror conjecture (about an equivalence of the Fukaya category of a Calabi-Yau manifold and the derived category of coherent sheaves on the dual Calabi-Yau manifold). Our point…

2000-11-07abs ↗pdf ↗

We explain how deformation theories of geometric objects such as complex structures, Poisson structures and holomorphic bundle structures lead to differential Gerstenhaber or Poisson algebras. We use homological perturbation theory to obtain AA_{\infty} algebra structures and some canonically defined deformations of s…

1999-06-14abs ↗pdf ↗

This is a write-up of the author's talk in the conference "Algebraic Geometry in East Asia 2016" held at the University of Tokyo in January 2016. We give a survey on a series of papers of the author and his collaborators Daniel Pomerleano and Kazushi Ueda where we show how Strominger-Yau-Zaslow (SYZ) transforms can be …

2016-07-25abs ↗pdf ↗

5D gauge theories are dual to 3D and 2D models via Floer homologies.

problem Exploring dualities in 5D gauge theories and their 3D and 2D counterparts.
method Using Landau-Ginzburg models and Floer homologies, the paper establishes dualities between different gauge theories and their associated homologies.
result Dual AA_\infty-categories of Floer homologies are derived, proving mirror symmetry and Langlands duality.

This paper deforms complex tori and their mirrors using gerbes.

problem Deforming complex tori and their mirror partners.
method Using flat gerbes to deform complex tori and their mirrors, constructing holomorphic line bundles over deformed objects.
result Deformed complex tori and their mirrors can be studied using flat gerbes.

New insights into mirror symmetry via Monge-Ampère domains and pre-Frobenius manifolds.

problem Exploring mirror symmetry using Landau-Ginzburg models and probability densities.
method Investigating Landau-Ginzburg models through Koopman-von Neumann's construction, showing existence of Monge-Ampère domains, and proving mirror pairs via Berglund-Hubsch-Krawitz construction.
result Existence of Monge-Ampère domains and their connection to pre-Frobenius manifolds.

We describe mirror symmetry on higher dimensional tori, paying special attention to the behaviour of D-branes under mirror symmetry. To find the mirror D-branes the description of mirror symmetry on D-branes due to Ooguri, Oz en Yin is used. This method allows us to deal with the coisotropic D-branes recently introduce…

2001-11-06abs ↗pdf ↗

For each sphere with three orbifold points, we construct an algorithm to compute the open Gromov-Witten potential, which serves as the quantum-corrected Landau-Ginzburg mirror and is an infinite series in general. This gives the first class of general-type geometries whose full potentials can be computed. As a conseque…

2014-03-05abs ↗pdf ↗

The paper explores a B-field transform of complex structures on complex tori.

problem Deforming complex structures on complex tori using B-field transformations.
method Constructing holomorphic line bundles with integrable connections and interpreting them as deformations of complex tori by flat gerbes.
result Homological mirror symmetry between deformed and original complex tori.

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 ↗

Find first (0,2) mirror symmetry examples on Hopf surfaces.

problem Find (0,2) mirror symmetry on compact non-Kähler manifolds.
method Use Borisov's approach with vertex algebras and chiral de Rham complex. Study Killing spinors on quadratic Lie algebras and embeddings of superconformal vertex algebras.
result Construct first (0,2) mirror pairs of Hopf surfaces.

We prove that the moduli space of the pseudo holomorphic curves in the A-model on a symplectic torus is homeomorphic to a moduli space of Feynman diagrams in the configuration space of the morphisms in the B-model on the corresponding elliptic curve. These moduli spaces determine the AA_{\infty} structure of the both …

2017-08-30abs ↗pdf ↗

Study local moduli of Sasaki-Einstein metrics on specific polynomial links.

problem Understanding the local moduli of Sasaki-Einstein metrics on links of invertible polynomials.
method Analyzing Sasaki-Einstein metrics on links of invertible polynomials of cycle type and Thom-Sebastiani sums.
result For polynomials of cycle type, local moduli spaces are zero-dimensional. For Thom-Sebastiani sums, dimensions are positive.

It is known that knot homologies admit a physical description as spaces of open BPS states. We study operators and algebras acting on these spaces. This leads to a very rich story, which involves wall crossing phenomena, algebras of closed BPS states acting on spaces of open BPS states, and deformations of Landau-Ginzb…

2011-11-30abs ↗pdf ↗

Researchers prove mirror symmetry for certain non-compact Calabi-Yau surfaces.

problem Proving mirror symmetry for non-compact Calabi-Yau surfaces.
method Surveying recent works on Strominger-Yau-Zaslow mirror symmetry for rational elliptic surfaces and del Pezzo surfaces.
result All ALHALH^* gravitational instantons can be compactified to weak del Pezzo surfaces.

We introduce self-dual manifolds and show that they can be used to encode mirror symmetry for affine-Kähler manifolds and for elliptic curves. Their geometric properties, especially the link with special lagrangian fibrations and the existence of a transformation similar to the Fourier-Mukai functor, suggest that this …

2002-02-02abs ↗pdf ↗

We describe some recent development on the theory of formal Frobenius manifolds via a construction from differential Gerstenhaber-Batalin-Vilkovisk (DGBV) algebras and formulate a version of mirror symmetry conjecture: the extended deformation problems of the complex structure and the Poisson structure are described by…

2000-06-17abs ↗pdf ↗

We conjecture the existence of four independent gradings in the colored HOMFLY homology. We describe these gradings explicitly for the rectangular colored homology of torus knots and make qualitative predictions of various interesting structures and symmetries in the colored homology of general knots. We also give a si…

2013-04-11abs ↗pdf ↗

We study the symplectic topology of some finite algebraic quotients of the An Milnor fibre which are diffeomorphic to the rational homology balls that appear in Fintushel and Stern's rational blowdown construction. We prove that these affine surfaces have no closed exact Lagrangian submanifolds by using the already ava…

2012-02-25abs ↗pdf ↗

We analyse the moduli spaces of superconformal field theories (SCFTs). For N=2 we find an enhanced moduli space which in geometrical terms corresponds to tori with two independent complex structures. To explain the precise relation with the moduli space of SCFTs on K3 surfaces as described by Aspinwall and Morrison, we…

2003-02-28abs ↗pdf ↗

We study mirror symmetry of type II strings on manifolds with the exceptional holonomy groups G2G_2 and Spin(7). Our central result is a construction of mirrors of Spin(7) manifolds realized as generalized connected sums. In parallel to twisted connected sum G2G_2 manifolds, mirrors of such Spin(7) manifolds can be fou…

2019-05-04abs ↗pdf ↗

Study very stable Higgs bundles on Riemann surfaces, linking to multiplicity and mirror symmetry.

problem Existence and properties of very stable Higgs bundles.
method Bialynicki-Birula theory, C{\mathbb C}^*-actions, Hecke transformations, Fourier-Mukai transforms.
result Precise formula for multiplicity of very stable components of global nilpotent cone.

Let X_n be a cycle of n projective lines, and T_n a symplectic torus with n punctures. In this paper we review results appeared in arXiv:1103.2462 and in arXiv:1109.6615, which establish a version of homological mirror symmetry relating X_n and T_n, and define on D^b(Coh(X_n)) an action of the pure mapping class group …

2011-11-22abs ↗pdf ↗

The paper explores Higgs bundles and their moduli spaces on Riemann surfaces.

problem Developing the moduli theory of Higgs bundles and understanding their geometric properties.
method Establishing non-abelian Hodge correspondences and studying Hitchin fibration.
result Computing the Poincaré polynomial of rank 2 moduli space and verifying topological mirror symmetry.