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We propose a new approach to simulate neutrino scattering events as an alternative to the standard Monte Carlo generator approach. Generative adversarial neural network (GAN) models are developed to simulate charged current neutrino-carbon…

The estimation of loss distributions for dynamic portfolios requires the simulation of scenarios representing realistic joint dynamics of their components. We propose a novel data-driven approach for simulating realistic, high-dimensional…

风险管理 · 定量金融 2025-05-19 Rama Cont , Mihai Cucuringu , Renyuan Xu , Chao Zhang

Ever since its debut, generative adversarial networks (GANs) have attracted tremendous amount of attention. Over the past years, different variations of GANs models have been developed and tailored to different applications in practice.…

数理金融 · 定量金融 2021-09-10 Haoyang Cao , Xin Guo

Tuning curves characterizing the response selectivities of biological neurons often exhibit large degrees of irregularity and diversity across neurons. Theoretical network models that feature heterogeneous cell populations or random…

定量方法 · 定量生物学 2017-07-20 Takafumi Arakaki , G. Barello , Yashar Ahmadian

Estimation of Distribution Algorithms (EDAs) require flexible probability models that can be efficiently learned and sampled. Generative Adversarial Networks (GAN) are generative neural networks which can be trained to implicitly model the…

神经与进化计算 · 计算机科学 2016-08-09 Malte Probst

Modeling lies at the core of both the financial and the insurance industry for a wide variety of tasks. The rise and development of machine learning and deep learning models have created many opportunities to improve our modeling toolbox.…

机器学习 · 计算机科学 2023-01-04 Yves-Cédric Bauwelinckx , Jan Dhaene , Tim Verdonck , Milan van den Heuvel

Over the decades, the Markowitz framework has been used extensively in portfolio analysis though it puts too much emphasis on the analysis of the market uncertainty rather than on the trend prediction. While generative adversarial network…

投资组合管理 · 定量金融 2022-08-08 Jun Lu , Shao Yi

Generative Adversarial Net (GAN) has been proven to be a powerful machine learning tool in image data analysis and generation. In this paper, we propose to use Conditional Generative Adversarial Net (CGAN) to learn and simulate time series…

机器学习 · 统计学 2019-04-26 Rao Fu , Jie Chen , Shutian Zeng , Yiping Zhuang , Agus Sudjianto

Generating wind power scenarios is very important for studying the impacts of multiple wind farms that are interconnected to the grid. We develop a graph convolutional generative adversarial network (GCGAN) approach by leveraging GAN's…

机器学习 · 计算机科学 2023-02-20 Young-ho Cho , Shaohui Liu , Duehee Lee , Hao Zhu

Generative Adversarial Networks (GAN) have promoted a variety of applications in computer vision, natural language processing, etc. due to its generative model's compelling ability to generate realistic examples plausibly drawn from an…

机器学习 · 计算机科学 2021-06-08 Zhipeng Cai , Zuobin Xiong , Honghui Xu , Peng Wang , Wei Li , Yi Pan

We initiate a way of generating models by the computer, satisfying both experimental and theoretical constraints. In particular, we present a framework which allows the generation of effective field theories. We use Generative Adversarial…

机器学习 · 计算机科学 2020-10-14 Harold Erbin , Sven Krippendorf

Climate hazards can cause major disasters when they occur simultaneously as compound hazards. To understand the distribution of climate risk and inform adaptation policies, scientists need to simulate a large number of physically realistic…

机器学习 · 计算机科学 2023-12-01 Alison Peard , Jim Hall

Modelling in finance is a challenging task: the data often has complex statistical properties and its inner workings are largely unknown. Deep learning algorithms are making progress in the field of data-driven modelling, but the lack of…

计算金融 · 定量金融 2021-07-07 Florian Eckerli , Joerg Osterrieder

Generative adversarial networks (GANs) are one of the greatest advances in AI in recent years. With their ability to directly learn the probability distribution of data, and then sample synthetic realistic data. Many applications have…

In this paper, we propose a generative adversarial network (GAN) approach for efficiently computing volatility surfaces. The idea is to make use of the special GAN neural architecture so that on one hand, we can learn volatility surfaces…

计算金融 · 定量金融 2023-12-27 Andrew Na , Meixin Zhang , Justin Wan

Neural network based data-driven market simulation unveils a new and flexible way of modelling financial time series without imposing assumptions on the underlying stochastic dynamics. Though in this sense generative market simulation is…

统计金融 · 定量金融 2020-06-26 Hans Bühler , Blanka Horvath , Terry Lyons , Imanol Perez Arribas , Ben Wood

As a new way of training generative models, Generative Adversarial Nets (GAN) that uses a discriminative model to guide the training of the generative model has enjoyed considerable success in generating real-valued data. However, it has…

机器学习 · 计算机科学 2017-08-28 Lantao Yu , Weinan Zhang , Jun Wang , Yong Yu

Generative Adversarial Networks (GANs) became very popular for generation of realistically looking images. In this paper, we propose to use GANs to synthesize artificial financial data for research and benchmarking purposes. We test this…

机器学习 · 计算机科学 2020-02-07 Dmitry Efimov , Di Xu , Luyang Kong , Alexey Nefedov , Archana Anandakrishnan

In this paper, we propose a model using generative adversarial net (GAN) to generate realistic text. Instead of using standard GAN, we combine variational autoencoder (VAE) with generative adversarial net. The use of high-level latent…

计算与语言 · 计算机科学 2018-11-08 Heng Wang , Zengchang Qin , Tao Wan

Inspired by the recent advances in generative models, we introduce a human action generation model in order to generate a consecutive sequence of human motions to formulate novel actions. We propose a framework of an autoencoder and a…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Mohammad Ahangar Kiasari , Dennis Singh Moirangthem , Minho Lee