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Mirror symmetry and elliptic Calabi-Yau manifolds
Published 2020“…The factorization structure identified here can also apply for CalabiYau manifolds of higher dimension.…”
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New Calabi–Yau manifolds from genetic algorithms
Published 2024-03-01“…Calabi–Yau manifolds can be obtained as hypersurfaces in toric varieties built from reflexive polytopes. …”
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Heterotic instanton superpotentials from complete intersection Calabi-Yau manifolds
Published 2017-10-01“…A result by Beasley and Witten shows that these instanton contributions cancel among curves within a given homology class for Calabi-Yau manifolds that can be described as hypersurfaces or complete intersections in projective or toric ambient spaces. …”
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Flux vacua and modularity for $\mathbb{Z}_2$ symmetric Calabi-Yau manifolds
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Special Lagrangian torus fibrations of complete intersection Calabi–Yau manifolds: A geometric conjecture
Published 2015-09-01“…For complete intersection Calabi–Yau manifolds in toric varieties, Gross and Haase–Zharkov have given a conjectural combinatorial description of the special Lagrangian torus fibrations whose existence was predicted by Strominger, Yau and Zaslow. …”
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CYJAX: A package for Calabi-Yau metrics with JAX
Published 2023-01-01Subjects: “…Calabi–Yau manifolds…”
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Machine learning Sasakian and G2 topology on contact Calabi-Yau 7-manifolds
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Exact multi-instantons in topological string theory
Published 2023-10-01“…Their form suggests that the flat coordinates of the Calabi-Yau manifold are naturally quantized in units of the string coupling constant, as postulated in large $N$ dualities. …”
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Symmetries of Calabi-Yau prepotentials with isomorphic flops
Published 2023-02-01“…For some cases, these functions can be expressed in terms of theta functions whose appearance can be linked to an elliptic fibration structure of the Calabi-Yau manifold.…”
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The origin of Calabi-Yau crystals in BPS states counting
Published 2024-03-01“…Abstract We study the counting problem of BPS D-branes wrapping holomorphic cycles of a general toric Calabi-Yau manifold. We evaluate the Jeffrey-Kirwan residues for the flavoured Witten index for the supersymmetric quiver quantum mechanics on the worldvolume of the D-branes, and find that BPS degeneracies are described by a statistical mechanical model of crystal melting. …”
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Symmetric fluxes and small tadpoles
Published 2023-08-01“…We illustrate this approach in a Calabi-Yau manifold with 51 complex structure moduli, where several reduction schemes can be implemented in order to explicitly solve the vacuum equations for that sector. …”
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On the moduli space curvature at infinity
Published 2024-02-01“…Abstract We analyse the scalar curvature of the vector multiplet moduli space M X VM $$ {\mathcal{M}}_X^{\textrm{VM}} $$ of type IIA string theory compactified on a Calabi-Yau manifold X. While the volume of M X VM $$ {\mathcal{M}}_X^{\textrm{VM}} $$ is known to be finite, cases have been found where the scalar curvature diverges positively along trajectories of infinite distance. …”
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Cutting the traintracks: Cauchy, Schubert and Calabi-Yau
Published 2023-04-01“…For L-loop full traintracks, we compute their leading singularities as integrals of (L−1)-forms, which proves that the rigidity is L−1 as expected; the form is given by an inverse square root of an irreducible polynomial quartic with respect to each variable, which characterizes an (L−1)-dim Calabi-Yau manifold (elliptic curve, K3 surface, etc.) for any L. …”
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Compact G2 holonomy spaces from SU(3) structures
Published 2019-03-01“…The backreaction of these fluxes deforms the Calabi-Yau manifold into a specific class of SU(3)-structure manifolds. …”
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Smearing and unsmearing KKLT AdS vacua
Published 2023-03-01“…We show that supersymmetry requires a (conformal) Calabi-Yau manifold and imaginary self-dual three-form fluxes with an additional (0,3) component. …”
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Tuned and non-Higgsable U(1)s in F-theory
Published 2017“…In particular, we show that the elliptic Calabi-Yau manifold over such a base has a small number of complex structure moduli. …”
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General U(1)×U(1) F-theory compactifications and beyond: geometry of unHiggsings and novel matter structure
Published 2017“…We construct the general form of an F-theory compactification with two U(1) factors based on a general elliptically fibered Calabi-Yau manifold with Mordell-Weil group of rank two. …”
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Exact (1 + 3 + 6)-Dimensional Cosmological-Type Solutions in Gravitational Model with Yang–Mills Field, Gauss–Bonnet Term and Λ Term
Published 2023-03-01“…We study so-called cosmological-type solutions defined on the product manifold <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>M</mi><mo>=</mo><mi mathvariant="double-struck">R</mi><mo>×</mo><msup><mrow><mi mathvariant="double-struck">R</mi></mrow><mn>3</mn></msup><mo>×</mo><mi>K</mi></mrow></semantics></math></inline-formula>, where <i>K</i> is <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>6</mn><mi>d</mi></mrow></semantics></math></inline-formula> a Calabi–Yau manifold. By setting the gauge field 1-form to coincide with the 1-form spin connection on <i>K</i>, we obtain exact cosmological solutions with exponential dependence of scale factors (upon <i>t</i>-variable) governed by two non-coinciding Hubble-like parameters: <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>H</mi><mo>></mo><mn>0</mn></mrow></semantics></math></inline-formula> and <i>h</i> obeying <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>H</mi><mo>+</mo><mn>2</mn><mi>h</mi><mo>≠</mo><mn>0</mn></mrow></semantics></math></inline-formula>. …”
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Mirror symmetry in emergent gravity
Published 2017-09-01“…In particular, the doubling for the variety of emergent Calabi–Yau manifolds allows us to arrange a pair of Calabi–Yau manifolds such that they are mirror to each other. …”
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