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At the beginning of this century, a real time solution of the nonlinear filtering problem without memory was proposed in [1, 2] by the third author and his collaborator, and it is later on referred to as Yau-Yau algorithm. During the last…

最优化与控制 · 数学 2024-05-13 Zeju Sun , Xiuqiong Chen , Stephen S. -T. Yau

This thesis explores a number of online machine learning algorithms. From a theoret- ical perspective, it assesses their employability for a particular function approximation problem where the analytical models fall short. Furthermore, it…

机器学习 · 计算机科学 2016-05-04 Ahmet Anil Pala

The moduli spaces of Calabi--Yau (CY) manifolds are the special K\"ahler manifolds. The special K\"ahler geometry determines the low-energy effective theory which arises in Superstring theory after the compactification on a CY manifold. For…

高能物理 - 理论 · 物理学 2018-08-17 Alexander Belavin

Machine-learning techniques have become fundamental in high-energy physics and, for new physics searches, it is crucial to know their performance in terms of experimental sensitivity, understood as the statistical significance of the…

Statistical learning algorithms are finding more and more applications in science and technology. Atomic-scale modeling is no exception, with machine learning becoming commonplace as a tool to predict energy, forces and properties of…

化学物理 · 物理学 2020-12-09 Félix Musil , Michele Ceriotti

Recently, a metric construction for the Calabi-Yau 3-folds from a four-dimensional hyperkahler space by adding a complex line bundle was proposed. We extend the construction by adding a U(1) factor to the holomorphic (3,0)-form, and obtain…

高能物理 - 理论 · 物理学 2010-07-16 H. Lu , Yi Pang , Zhao-Long Wang

Learning a good distance metric in feature space potentially improves the performance of the KNN classifier and is useful in many real-world applications. Many metric learning algorithms are however based on the point estimation of a…

计算机视觉与模式识别 · 计算机科学 2016-04-11 Dong Wang , Xiaoyang Tan

Within the context of studies for novel measurement solutions for future particle physics experiments, we developed a performant kNN-based regressor to infer the energy of highly-relativistic muons from the pattern of their radiation losses…

高能物理 - 实验 · 物理学 2022-03-08 T. Dorigo , Sofia Guglielmini , Jan Kieseler , Lukas Layer , Giles C. Strong

Generative models in deep learning allow for sampling probability distributions that approximate data distributions. We propose using generative models for making approximate statistical predictions in the string theory landscape. For vacua…

高能物理 - 理论 · 物理学 2020-06-24 James Halverson , Cody Long

The accuracy of machine learning systems is a widely studied research topic. Established techniques such as cross-validation predict the accuracy on unseen data of the classifier produced by applying a given learning method to a given…

机器学习 · 计算机科学 2012-12-06 J. E. Smith , P. Caleb-Solly , M. A. Tahir , D. Sannen , H. van-Brussel

Design of new experiments, as well as upgrade of ongoing ones, is a continuous process in the experimental high energy physics. Since the best solution is a trade-off between different kinds of limitations, a quick turn over is necessary to…

仪器与探测器 · 物理学 2020-06-24 Fedor Ratnikov

We present a novel way to classify Calabi-Yau threefolds by systematically studying their infinite volume limits. Each such limit is at infinite distance in Kahler moduli space and can be classified by an associated limiting mixed Hodge…

高能物理 - 理论 · 物理学 2021-12-21 Thomas W. Grimm , Fabian Ruehle , Damian van de Heisteeg

Deep metric learning has gained promising improvement in recent years following the success of deep learning. It has been successfully applied to problems in few-shot learning, image retrieval, and open-set classifications. However,…

机器学习 · 计算机科学 2020-06-11 Maryna Karpusha , Sunghee Yun , Istvan Fehervari

A recent line of research investigates how algorithms can be augmented with machine-learned predictions to overcome worst case lower bounds. This area has revealed interesting algorithmic insights into problems, with particular success in…

机器学习 · 计算机科学 2021-07-22 Michael Dinitz , Sungjin Im , Thomas Lavastida , Benjamin Moseley , Sergei Vassilvitskii

This paper studies the problem of learning an unknown function $f$ from given data about $f$. The learning problem is to give an approximation $\hat f$ to $f$ that predicts the values of $f$ away from the data. There are numerous settings…

机器学习 · 计算机科学 2023-06-27 Peter Binev , Andrea Bonito , Ronald DeVore , Guergana Petrova

We prove that Calabi-Yau metrics on compact Calabi-Yau manifolds whose Kahler classes shrink the fibers of a holomorphic fibration have a priori estimates of all orders away from the singular fibers. To this end we prove an asymptotic…

微分几何 · 数学 2024-12-10 Hans-Joachim Hein , Valentino Tosatti

In recent years, the crucial importance of metrics in machine learning algorithms has led to an increasing interest for optimizing distance and similarity functions. Most of the state of the art focus on learning Mahalanobis distances…

机器学习 · 计算机科学 2019-01-25 Aurelien Bellet , Amaury Habrard , Marc Sebban

In this paper, we discuss a Donaldson's version of the modified $K$-energy associated to the Calabi's extremal metrics on toric manifolds and prove the existence of the weak solution for extremal metrics in the sense of convex functions…

微分几何 · 数学 2007-05-23 Bin Zhou , Xiaohua Zhu

Using numerical methods for finding Ricci-flat metrics, we explore the spectrum of local operators in two-dimensional conformal field theories defined by sigma models on Calabi-Yau targets at large volume. Focusing on the examples of K3 and…

高能物理 - 理论 · 物理学 2022-02-04 Nima Afkhami-Jeddi , Anthony Ashmore , Clay Cordova

Machine learning is used to approximate density functionals. For the model problem of the kinetic energy of non-interacting fermions in 1d, mean absolute errors below 1 kcal/mol on test densities similar to the training set are reached with…

计算物理 · 物理学 2015-06-03 John C. Snyder , Matthias Rupp , Katja Hansen , Klaus-Robert Müller , Kieron Burke