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Calabi-Yau links are specific $S^1$-fibrations over Calabi-Yau manifolds, when the link is 7-dimensional they exhibit both Sasakian and G2 structures. In this invited contribution to the DANGER proceedings, previous work exhaustively…

High Energy Physics - Theory · Physics 2024-01-23 Edward Hirst

This thesis is concerned with heterotic E8 x E8 string models that can produce quasirealistic N = 1 supersymmetric extensions of the Standard Model in the low-energy limit. We start rather generally by deriving the four-dimensional spectrum…

High Energy Physics - Theory · Physics 2022-04-05 Stefan Blesneag

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…

Differential Geometry · Mathematics 2024-02-26 Daattavya Aggarwal , Yang-Hui He , Elli Heyes , Edward Hirst , Henrique N. Sá Earp , Tomás S. R. Silva

We study moduli spaces of nonlinear sigma-models on Calabi-Yau manifolds, using the one-loop semiclassical approximation. The data being parameterized includes a choice of complex structure on the manifold, as well as some ``extra…

alg-geom · Mathematics 2008-02-03 David R. Morrison

Calabi-Yau four-folds may be constructed as hypersurfaces in weighted projective spaces of complex dimension 5 defined via weight systems of 6 weights. In this work, neural networks were implemented to learn the Calabi-Yau Hodge numbers…

High Energy Physics - Theory · Physics 2024-05-08 Edward Hirst , Tancredi Schettini Gherardini

Free quotients of Calabi-Yau manifolds play an important role in string compactification. In this paper, we explore machine learning techniques, such as fully connected neural networks and multi-head attention (MHA) models, as a potential…

High Energy Physics - Theory · Physics 2025-08-27 Wei Cui , Xin Gao , Mohsen Karkheiran , Juntao Wang

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…

High Energy Physics - Theory · Physics 2022-03-01 Xin Gao , Hao Zou

The derivative expnsion in the context of IIB string scattering compactified on non-trivial K3 and other Calabi-Yau manifolds is formulated. The scattering data in terms of automorphic functions can be inverted to find the these metrics.…

General Physics · Physics 2007-05-23 Gordon Chalmers

We investigate quantum corrections to the classical four-dimensional low-energy effective action of type II string theory compactified on SU(3) structure geometries. Various methods previously developed for Calabi-Yau compactifications are…

High Energy Physics - Theory · Physics 2015-06-19 Mariana Grana , Jan Louis , Ulrich Theis , Daniel Waldram

Hodge numbers of Calabi-Yau manifolds depend non-trivially on the underlying manifold data and they present an interesting challenge for machine learning. In this letter we consider the data set of complete intersection Calabi-Yau…

High Energy Physics - Theory · Physics 2021-02-17 Yang-Hui He , Andre Lukas

Calabi-Yau manifolds have played a key role in both mathematics and physics, and are particularly important for deriving realistic models of particle physics from string theory. Unfortunately, very little is known about the explicit metrics…

High Energy Physics - Theory · Physics 2022-02-15 Anthony Ashmore

We study the use of machine learning for finding numerical hermitian Yang-Mills connections on line bundles over Calabi-Yau manifolds. Defining an appropriate loss function and focusing on the examples of an elliptic curve, a K3 surface and…

High Energy Physics - Theory · Physics 2022-03-09 Anthony Ashmore , Rehan Deen , Yang-Hui He , Burt A. Ovrut

We use reinforcement learning as a means of constructing string compactifications with prescribed properties. Specifically, we study heterotic SO(10) GUT models on Calabi-Yau three-folds with monad bundles, in search of phenomenologically…

High Energy Physics - Theory · Physics 2022-03-23 Andrei Constantin , Thomas R. Harvey , Andre Lukas

We use numerical methods to obtain moduli-dependent Calabi-Yau metrics and from them the moduli-dependent massive tower of Kaluza-Klein states for the one-parameter family of quintic Calabi-Yau manifolds. We then compute geodesic distances…

High Energy Physics - Theory · Physics 2021-06-02 Anthony Ashmore , Fabian Ruehle

We discuss the use of gauge fields to stabilize complex structure moduli in Calabi-Yau three-fold compactifications of heterotic string and M-theory. The requirement that the gauge fields in such models preserve supersymmetry leads to a…

High Energy Physics - Theory · Physics 2013-04-10 Lara B. Anderson , James Gray , Andre Lukas , Burt Ovrut

Ricci flat metrics for Calabi-Yau threefolds are not known analytically. In this work, we employ techniques from machine learning to deduce numerical flat metrics for the Fermat quintic, for the Dwork quintic, and for the Tian-Yau manifold.…

High Energy Physics - Theory · Physics 2021-01-28 Vishnu Jejjala , Damian Kaloni Mayorga Pena , Challenger Mishra

We revisit the question of predicting both Hodge numbers $h^{1,1}$ and $h^{2,1}$ of complete intersection Calabi-Yau (CICY) 3-folds using machine learning (ML), considering both the old and new datasets built respectively by…

High Energy Physics - Theory · Physics 2021-06-18 Harold Erbin , Riccardo Finotello

The latest techniques from Neural Networks and Support Vector Machines (SVM) are used to investigate geometric properties of Complete Intersection Calabi-Yau (CICY) threefolds, a class of manifolds that facilitate string model building. An…

High Energy Physics - Theory · Physics 2018-08-22 Kieran Bull , Yang-Hui He , Vishnu Jejjala , Challenger Mishra

Numerical approximations to Ricci-flat Calabi--Yau metrics make it possible to move beyond the topological and holomorphic data that have traditionally dominated explicit string compactifications. This article explains what new physics and…

High Energy Physics - Theory · Physics 2026-05-25 Per Berglund , Tristan Hübsch , Vishnu Jejjala

In this paper, we make progress on understanding the collapsing behavior of Calabi-Yau metrics on a degenerating family of polarized Calabi-Yau manifolds. In the case of a family of smooth Calabi-Yau hypersurfaces in projective space…

Differential Geometry · Mathematics 2024-09-13 Song Sun , Ruobing Zhang