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Forecasting competitions are the equivalent of laboratory experimentation widely used in physical and life sciences. They provide useful, objective information to improve the theory and practice of forecasting, advancing the field,…

应用统计 · 统计学 2021-05-20 Spyros Makridakis , Chris Fry , Fotios Petropoulos , Evangelos Spiliotis

Skiing is a popular winter sport discipline with a long history of competitive events. In this domain, computer vision has the potential to enhance the understanding of athletes' performance, but its application lags behind other sports due…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Matteo Dunnhofer , Luca Sordi , Niki Martinel , Christian Micheloni

Continuous tracking of boxers across multiple training sessions helps quantify traits required for the well-known ten-point-must system. However, continuous tracking of multiple athletes across multiple training sessions remains a…

In this paper we analyze, based on an interplay between ideas and techniques from logic and geometric analysis, a pursuit-evasion game. More precisely, we focus on a uniform betweenness property and use it in the study of a discrete lion…

度量几何 · 数学 2020-11-13 Ulrich Kohlenbach , Genaro López-Acedo , Adriana Nicolae

Multi-round competitions often double or triple the points awarded in the final round, calling it a bonus, to maximize spectators' excitement. In a two-player competition with $n$ rounds, we aim to derive the optimal bonus size to maximize…

计算机科学与博弈论 · 计算机科学 2024-06-10 Zhihuan Huang , Yuqing Kong , Tracy Xiao Liu , Grant Schoenebeck , Shengwei Xu

In trajectory forecasting tasks for traffic, future output trajectories can be computed by advancing the ego vehicle's state with predicted actions according to a kinematics model. By unrolling predicted trajectories via time integration…

机器人学 · 计算机科学 2024-09-10 Laura Zheng , Sanghyun Son , Jing Liang , Xijun Wang , Brian Clipp , Ming C. Lin

We present an extensive statistical analysis of the results of all sports competitions in five major sports leagues in England and the United States. We characterize the parity among teams by the variance in the winning fraction from…

物理与社会 · 物理学 2007-05-23 E. Ben-Naim , F. Vazquez , S. Redner

We introduce a weighted version of the ranking algorithm by Karp et al. (STOC 1990), and prove a competitive ratio of 0.6534 for the vertex-weighted online bipartite matching problem when online vertices arrive in random order. Our result…

数据结构与算法 · 计算机科学 2019-09-13 Zhiyi Huang , Zhihao Gavin Tang , Xiaowei Wu , Yuhao Zhang

The difference between the speed of the actions of different processes is typically considered as an obstacle that makes the achievement of cooperative goals more difficult. In this work, we aim to highlight potential benefits of such…

分布式、并行与集群计算 · 计算机科学 2015-09-15 Ofer Feinerman , Amos Korman , Shay Kutten , Yoav Rodeh

This paper analyses the impact of collisions in a system of $N$ identical hard-core particles driven according to a velocity jump process. The physical space is essentially a channel in $\mathbb{R}$ with a probability of occupants being…

统计力学 · 物理学 2023-02-24 Gayani Tennakoon , Stephen W. Taylor

In this paper we investigate a differential game in which countably many dynamical objects pursue a single one. All the players perform simple motions. The duration of the game is fixed. The controls of a group of pursuers are subject to…

最优化与控制 · 数学 2014-10-10 Mehdi Salimi , Gafurjan Ibragimov , Stefan Siegmund , Somayeh Sharifi

Interferometry is discussed in terms of the representation of the source. In particular, scale-invariant 1-d hydrodynamics is revisited, and extended to the case of unequal transverse masses. It is argued that that kaon emission occurs over…

核理论 · 物理学 2016-09-08 A. Makhlin , E. Surdutovich , G. Welke

Human trajectory forecasting is an inherently multi-modal problem. Uncertainty in future trajectories stems from two sources: (a) sources that are known to the agent but unknown to the model, such as long term goals and (b)sources that are…

计算机视觉与模式识别 · 计算机科学 2020-12-04 Karttikeya Mangalam , Yang An , Harshayu Girase , Jitendra Malik

Machine learning is often used in competitive scenarios: Participants learn and fit static models, and those models compete in a shared platform. The common assumption is that in order to win a competition one has to have the best…

机器学习 · 计算机科学 2018-03-14 Amin Khajehnejad , Shima Hajimirza

We have extended the time baseline for observations of the proper motions of radio sources in the Orion BN/KL region from 14.7 to 22.5 years. We present improved determinations for the sources BN and I. In addition, we address the proper…

太阳与恒星天体物理 · 物理学 2017-01-18 Luis F. Rodriguez , Sergio A. Dzib , Laurent Loinard , Luis Zapata , Laura Gomez , Karl M. Menten , Susana Lizano

OpenFlow is one of the most commonly used protocols for communication between the controller and the forwarding element in a software defined network (SDN). A model based on M/M/1 queues is proposed in [1] to capture the communication…

性能 · 计算机科学 2014-11-19 Kashif Mahmood , Ameen Chilwan , Olav N. Østerbø , Michael Jarschel

Ultimate is a sport where points are scored by passing a disc and catching it in the opposing team's end zone. In Ultimate, the player holding the disc cannot move, making field dynamics primarily driven by other players' movements.…

人工智能 · 计算机科学 2025-08-26 Shunsuke Iwashita , Ning Ding , Keisuke Fujii

In soccer game analysis, the widespread availability of play-by-play and tracking data has made it possible to test mathematical models that have been discussed mainly theoretically. One of the essential models in soccer game analysis is a…

物理与社会 · 物理学 2023-01-18 Takuma Narizuka , Kenta Takizawa , Yoshihiro Yamazaki

In this paper, for the first time, there is comprehensively tackling the problem of biomechanical optimization of a sport of situation such as judo. Starting from the optimization of more simple sports, optimization of this kind of complex…

科普物理 · 物理学 2016-04-29 Attilio Sacripanti

Single-occupancy vehicles (SOVs) are charged to use the highoccupancy-toll (HOT) lanes, while high-occupancy-vehicles (HOVs) can drive in them at no cost. The pricing scheme for HOT lanes has been extensively studied at local bottlenecks or…

系统与控制 · 电气工程与系统科学 2024-08-23 Irene Martínez , Wen-Long Jin