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This paper introduces a novel framework for modeling temporal events with complex longitudinal dependency that are generated by dependent sources. This framework takes advantage of multidimensional point processes for modeling time of…

Machine Learning · Statistics 2016-10-04 Seyed Abbas Hosseini , Ali Khodadadi , Soheil Arabzade , Hamid R. Rabiee

Continuous-time long-term event prediction plays an important role in many application scenarios. Most existing works rely on autoregressive frameworks to predict event sequences, which suffer from error accumulation, thus compromising…

Machine Learning · Computer Science 2023-11-03 Wang-Tao Zhou , Zhao Kang , Ling Tian

We propose a new framework that formulates point cloud registration as a denoising diffusion process from noisy transformation to object transformation. During training stage, object transformation diffuses from ground-truth transformation…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Yue Wu , Yongzhe Yuan , Xiaolong Fan , Xiaoshui Huang , Maoguo Gong , Qiguang Miao

We present a scalable technique for the simulation of collider events with multi-jet final states, based on an improved parton-level event file format. The method is implemented for both leading- and next-to-leading order QCD calculations.…

High Energy Physics - Phenomenology · Physics 2023-11-09 Enrico Bothmann , Taylor Childers , Christian Guetschow , Stefan Höche , Paul Hovland , Joshua Isaacson , Max Knobbe , Robert Latham

The new framework for the simulations of hard diffractive events in photoproduction within Pythia 8 is presented. The model, originally introduced for proton-proton collisions, applies the dynamical rapidity gap survival probability based…

High Energy Physics - Phenomenology · Physics 2021-07-16 Ilkka Helenius

The computation of hard processes in hadronic collisions is a major success of perturbative Quantum Chromodynamics (pQCD). In such processes, pQCD not only predicts the hard reaction itself, but also the subsequent evolution in terms of…

High Energy Physics - Phenomenology · Physics 2010-01-15 Thorsten Renk

We introduce a diffusion-based generative model to describe the distribution of galaxies in our Universe directly as a collection of points in 3-D space (coordinates) optionally with associated attributes (e.g., velocities and masses),…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-24 Carolina Cuesta-Lazaro , Siddharth Mishra-Sharma

We present a new framework for modeling hard diffractive events in photoproduction, implemented in the general purpose event generator Pythia 8. The model is an extension of the model for hard diffraction with dynamical gap survival in pp…

High Energy Physics - Phenomenology · Physics 2019-06-26 Ilkka Helenius , Christine O. Rasmussen

Modeling Lagrangian turbulence remains a fundamental challenge due to its multiscale, intermittent, and non-Gaussian nature. Recent advances in data-driven diffusion models have enabled the generation of realistic Lagrangian velocity…

Fluid Dynamics · Physics 2025-07-28 Tianyi Li , Flavio Tuteri , Michele Buzzicotti , Fabio Bonaccorso , Luca Biferale

Most 3D scene generation methods are limited to only generating object bounding box parameters while newer diffusion methods also generate class labels and latent features. Using object size or latent feature, they then retrieve objects…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Dasith de Silva Edirimuni , Ajmal Saeed Mian

We present a generative AI algorithm for addressing the pressing task of fast, accurate, and robust statistical computation of three-dimensional turbulent fluid flows. Our algorithm, termed as GenCFD, is based on an end-to-end conditional…

We train a deep convolutional neural network to predict hydrodynamic results for flow coefficients, average transverse momenta and charged particle multiplicities in ultrarelativistic heavy-ion collisions from the initial energy density…

High Energy Physics - Phenomenology · Physics 2023-03-09 H. Hirvonen , K. J. Eskola , H. Niemi

Controllable generation of 3D assets is important for many practical applications like content creation in movies, games and engineering, as well as in AR/VR. Recently, diffusion models have shown remarkable results in generation quality of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Philipp Schröppel , Christopher Wewer , Jan Eric Lenssen , Eddy Ilg , Thomas Brox

A simple and efficient algorithm of the molecular-dynamics simulation of the hard disk system based on the Event-Driven method is developed. From the analysis of algorithm, the complexity is O(log N) per 1 event, and the constant…

Computational Physics · Physics 2009-10-31 Masaharu Isobe

We present a new event generator based on the three-fluid hydrodynamics (3FH) approach, followed by a particlization at the hydrodynamic decoupling surface and a subsequent UrQMD afterburner stage based on the microscopic UrQMD transport…

Recent deep learning approaches seek to automate CAD creation by representing a model as a sequence of discrete commands and parameters, and then generating them using autoregressive models or continuous diffusion operating in Euclidean…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Honghu Pan , Xiaoling Luo , Yongyong Chen , Zhenyu He , Pengyang Wang

Hadronization is a complex quantum process whereby quarks and gluons become hadrons. The widely-used models of hadronization in event generators are based on physically-inspired phenomenological models with many free parameters. We propose…

High Energy Physics - Phenomenology · Physics 2022-12-07 Aishik Ghosh , Xiangyang Ju , Benjamin Nachman , Andrzej Siodmok

Systems with different interactions could develop the same critical behaviour due to the underlying symmetry and universality. Using this principle of universality, we can embed critical correlations modeled on the 3D Ising model into the…

Nuclear Theory · Physics 2022-03-11 Yige Huang , Long-Gang Pang , Xiaofeng Luo , Xin-Nian Wang

While the community of 3D point cloud generation has witnessed a big growth in recent years, there still lacks an effective way to enable intuitive user control in the generation process, hence limiting the general utility of such methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Kiyohiro Nakayama , Mikaela Angelina Uy , Jiahui Huang , Shi-Min Hu , Ke Li , Leonidas J Guibas

In High Energy Physics simulations play a crucial role in unraveling the complexities of particle collision experiments within CERN's Large Hadron Collider. Machine learning simulation methods have garnered attention as promising…

Data Analysis, Statistics and Probability · Physics 2024-06-06 Mikołaj Kita , Jan Dubiński , Przemysław Rokita , Kamil Deja
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