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Deep hedging uses recurrent neural networks to hedge financial products that cannot be fully hedged in incomplete markets. Previous work in this area focuses on minimizing some measure of quadratic hedging error by calculating pathwise…

数理金融 · 定量金融 2025-10-21 Alok Das , Kiseop Lee

A biological regulatory network can be modeled as a discrete function that contains all available information on network component interactions. From this function we can derive a graph representation of the network structure as well as of…

离散数学 · 计算机科学 2009-10-09 Heike Siebert

This paper deals with dynamical networks for which the relations between node signals are described by proper transfer functions and external signals can influence each of the node signals. We are interested in graph-theoretic conditions…

最优化与控制 · 数学 2019-12-02 Henk J. van Waarde , Pietro Tesi , M. Kanat Camlibel

The study of neuronal morphology is important not only for its potential relationship with neuronal dynamics, but also as a means to classify diverse types of cells and compare than among species, organs, and conditions. In the present…

神经元与认知 · 定量生物学 2024-03-11 Alexandre Benatti , Henrique F. de Arruda , Luciano da F. Costa

Spatial networks are networks whose graph topology is constrained by their embedded spatial space. Understanding the coupled spatial-graph properties is crucial for extracting powerful representations from spatial networks. Therefore,…

机器学习 · 计算机科学 2024-01-11 Zheng Zhang , Sirui Li , Jingcheng Zhou , Junxiang Wang , Abhinav Angirekula , Allen Zhang , Liang Zhao

We present and analyze a framework for designing symplectic neural networks (SympNets) based on geometric integrators for Hamiltonian differential equations. The SympNets are universal approximators in the space of Hamiltonian…

机器学习 · 计算机科学 2024-08-20 Benjamin K Tapley

Network structure optimization is a fundamental task in complex network analysis. However, almost all the research on Bayesian optimization is aimed at optimizing the objective functions with vectorial inputs. In this work, we first present…

机器学习 · 统计学 2018-11-07 Jiaxu Cui , Bo Yang

Graphs are a highly expressive abstraction for modeling entities and their relations, such as molecular structures, social networks, and traffic networks. Deep Graph Networks (DGNs) have emerged as a family of deep learning models that can…

机器学习 · 计算机科学 2024-10-16 Alessio Gravina

This article discusses how concepts and methods of complex networks can be applied to real-time imaging and computer vision. After a brief introduction of complex networks basic concepts, their use as means to represent and characterize…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Luciano da Fontoura Costa

There are vast number of configurable parameters in a Radio Access Telecom Network. A significant amount of these parameters is configured by Radio Node or cell based on their deployment setting. Traditional methods rely on domain knowledge…

机器学习 · 计算机科学 2024-06-10 Shirwan Piroti , Ashima Chawla , Tahar Zanouda

This proposal presents a graph computing framework intending to support both online and offline computing on large dynamic graphs efficiently. The framework proposes a new data model to support rich evolving vertex and edge data types. It…

分布式、并行与集群计算 · 计算机科学 2015-12-08 Zhao Yu Dong

Dynamic networks are used in a wide range of fields, including social network analysis, recommender systems, and epidemiology. Representing complex networks as structures changing over time allow network models to leverage not only…

社会与信息网络 · 计算机科学 2021-06-15 Joakim Skarding , Bogdan Gabrys , Katarzyna Musial

The mobile communication enabled by cellular networks is the one of the main foundations of our modern society. Optimizing the performance of cellular networks and providing massive connectivity with improved coverage and user experience…

网络与互联网体系结构 · 计算机科学 2023-03-01 Mehrtash Mehrabi , Walid Masoudimansour , Yingxue Zhang , Jie Chuai , Zhitang Chen , Mark Coates , Jianye Hao , Yanhui Geng

For networks of coupled dynamical systems we characterize admissible functions, that is, functions whose gradient is an admissible vector field. The schematic representation of a gradient network dynamical system is of an undirected cell…

动力系统 · 数学 2015-09-30 Miriam Manoel , Mark Roberts

It is becoming increasingly appreciated that the signal transduction systems used by eukaryotic cells to achieve a variety of essential responses represent highly complex networks rather than simple linear pathways. While significant effort…

Topological correctness plays a critical role in many image segmentation tasks, yet most networks are trained using pixel-wise loss functions, such as Dice, neglecting topological accuracy. Existing topology-aware methods often lack robust…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Laurin Lux , Alexander H. Berger , Alexander Weers , Nico Stucki , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

In this paper I introduce a framework for modeling temporal communication networks and dynamical processes unfolding on such networks. The framework originates from the realization that there is a meaningful division of temporal…

物理与社会 · 物理学 2019-07-24 Sune Lehmann

Probabilistic Graphical Models are often used to understand dynamics of a system. They can model relationships between features (nodes) and the underlying distribution. Theoretically these models can represent very complex dependency…

机器学习 · 计算机科学 2023-08-21 Harsh Shrivastava , Urszula Chajewska

Natural physical, chemical, and biological dynamical systems are often complex, with heterogeneous components interacting in diverse ways. We show how simple graph neural networks can be designed to jointly learn the interaction rules and…

Despite the omnipresence of tensors and tensor operations in modern deep learning, the use of tensor mathematics to formally design and describe neural networks is still under-explored within the deep learning community. To this end, we…

机器学习 · 计算机科学 2023-03-27 Yao Lei Xu , Kriton Konstantinidis , Danilo P. Mandic