中文
相关论文

相关论文: Calabi-Yau Metrics, Energy Functionals and Machine…

200 篇论文

Recently, a novel bootstrap method for numerical calculations in matrix models and quantum mechanical systems is proposed. We apply the method to certain quantum mechanical systems derived from some well-known local toric Calabi-Yau…

高能物理 - 理论 · 物理学 2022-12-08 Bao-ning Du , Min-xin Huang , Pei-xuan Zeng

We construct all possible complete intersection Calabi-Yau five-folds in a product of four or less complex projective spaces, with up to four constraints. We obtain $27068$ spaces, which are not related by permutations of rows and columns…

高能物理 - 理论 · 物理学 2024-01-11 R. Alawadhi , D. Angella , A. Leonardo , T. Schettini Gherardini

We use a generalization of the Gibbons-Hawking ansatz to study the behavior of certain non-compact Calabi-Yau manifolds in the large complex structure limit. This analysis provides an intermediate step toward proving the metric collapse…

微分几何 · 数学 2007-05-23 Ilia Zharkov

For many machine learning algorithms such as $k$-Nearest Neighbor ($k$-NN) classifiers and $ k $-means clustering, often their success heavily depends on the metric used to calculate distances between different data points. An effective…

计算机视觉与模式识别 · 计算机科学 2010-03-03 Chunhua Shen , Junae Kim , Lei Wang

We construct many new examples of complete Calabi-Yau metrics of maximal volume growth on certain smoothings of Cartesian products of Calabi-Yau cones with smooth cross-sections. A detailed description of the geometry at infinity of these…

微分几何 · 数学 2026-04-16 Ronan J. Conlon , Frédéric Rochon

We use the machine learning technique to search the polytope which can result in an orientifold Calabi-Yau hypersurface and the "naive Type IIB string vacua". We show that neural networks can be trained to give a high accuracy for…

高能物理 - 理论 · 物理学 2022-03-01 Xin Gao , Hao Zou

All-atom dynamics simulations are an indispensable quantitative tool in physics, chemistry, and materials science, but large systems and long simulation times remain challenging due to the trade-off between computational efficiency and…

材料科学 · 物理学 2024-03-21 Stephen R. Xie , Matthias Rupp , Richard G. Hennig

We study the collapsing behaviour of Ricci-flat Kahler metrics on a projective Calabi-Yau manifold which admits an abelian fibration, when the volume of the fibers approaches zero. We show that away from the critical locus of the fibration…

微分几何 · 数学 2019-12-19 Mark Gross , Valentino Tosatti , Yuguang Zhang

We discuss a conjecture of Donaldson on a version of Yau's Theorem for symplectic forms with compatible almost complex structures and survey some recent progress on this problem. We also speculate on some future possible directions, and use…

微分几何 · 数学 2011-07-06 Valentino Tosatti , Ben Weinkove

In the setting of Donaldson's conjecture on the Calabi-Yau equation on symplectic 4-manifolds, we prove an a priori estimate which in the K\"ahler case resembles a classical estimate of Cheng-Yau.

微分几何 · 数学 2025-07-22 Valentino Tosatti

We propose a machine learning approach to study topological quantities related to the Sasakian and $G_2$-geometries of contact Calabi-Yau $7$-manifolds. Specifically, we compute datasets for certain Sasakian Hodge numbers and for the…

Generalized Complete Intersection Calabi-Yau Manifold (gCICY) is a new construction of Calabi-Yau manifolds established recently. However, the generation of new gCICYs using standard algebraic method is very laborious. Due to this…

高能物理 - 理论 · 物理学 2023-04-19 Wei Cui , Xin Gao , Juntao Wang

In this paper, we first prove a folklore conjecture on a greatest lower bound of the Calabi energy in all K\"ahler manifold. Similar result in algebriac setting was obtained by S. K. Donaldson. Secondly, we give an upper/lower bound…

微分几何 · 数学 2007-05-23 X. X. Chen

In order to be in control of the $\alpha'$ derivative expansion, geometric string compactifications are understood in the context of a large volume approximation. In this letter, we consider the reduction of these higher derivative terms,…

高能物理 - 理论 · 物理学 2025-05-20 Kit Fraser-Taliente , Thomas R. Harvey , Manki Kim

It is known that moduli spaces of Calabi-Yau (CY) manifolds are special K\"ahler manifolds. This structure determines the corresponding low-energy effective theory which arises in superstring compactifications on CY manifolds. In the case,…

高能物理 - 理论 · 物理学 2018-02-14 Konstantin Aleshkin , Alexander Belavin

Calabi--Yau manifolds are essential for string theory but require computing intractable metrics. Here we show that symbolic regression can distill neural approximations into simple, interpretable formulas. Our five-term expression matches…

机器学习 · 计算机科学 2026-02-10 D Yang Eng

We present new invariant machine learning models that approximate the Ricci-flat metric on Calabi-Yau (CY) manifolds with discrete symmetries. We accomplish this by combining the $\phi$-model of the cymetric package with non-trainable,…

高能物理 - 理论 · 物理学 2024-09-13 Yacoub Hendi , Magdalena Larfors , Moritz Walden

A key element of any machine learning algorithm is the use of a function that measures the dis/similarity between data points. Given a task, such a function can be optimized with a metric learning algorithm. Although this research field has…

机器学习 · 统计学 2019-09-05 Léo Gautheron , Emilie Morvant , Amaury Habrard , Marc Sebban

When training automated systems, it has been shown to be beneficial to adapt the representation of data by learning a problem-specific metric. This metric is global. We extend this idea and, for the widely used family of k nearest neighbors…

机器学习 · 计算机科学 2021-09-30 Jan Philip Göpfert , Heiko Wersing , Barbara Hammer

Bayesian estimation is a powerful theoretical paradigm for the operation of quantum sensors. However, the Bayesian method for statistical inference generally suffers from demanding calibration requirements that have so far restricted its…

量子物理 · 物理学 2021-09-22 Samuel P. Nolan , Augusto Smerzi , Luca Pezzè