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of 19
pro vyhledávání: '"Xia, Zhihong Jeff"'
In the fields of computational mathematics and artificial intelligence, the need for precise data modeling is crucial, especially for predictive machine learning tasks. This paper explores further XNet, a novel algorithm that employs the complex-valu
Externí odkaz:
http://arxiv.org/abs/2410.02033
In some recent work, we provided a quantitative explanation for the number asymmetry of Jupiter Trojans by hypothesizing a free-floating planet (FFP) flyby into the Solar System. In support of that explanation, this paper examines the influence of th
Externí odkaz:
http://arxiv.org/abs/2410.00326
Publikováno v:
A&A 674, A138 (2023)
This paper extends our previous study (Li et al. 2023) of the early evolution of Jupiter and its two Trojan swarms by introducing the possible perturbations of a free floating planet (FFP) invading the Solar System. In the framework of the invasion o
Externí odkaz:
http://arxiv.org/abs/2304.13598
Publikováno v:
A&A 669, A68 (2023)
Context. More than 10000 Jupiter Trojans have been detected so far. They are moving around the L4 and L5 triangular Lagrangian points of the Sun-Jupiter system and their distributions can provide important clues to the early evolution of the Solar Sy
Externí odkaz:
http://arxiv.org/abs/2211.13877
In this study, we focus on learning Hamiltonian systems, which involves predicting the coordinate (q) and momentum (p) variables generated by a symplectic mapping. Based on Chen & Tao (2021), the symplectic mapping is represented by a generating func
Externí odkaz:
http://arxiv.org/abs/2208.14148
Publikováno v:
In Icarus 1 January 2025 425
Most recently, machine learning has been used to study the dynamics of integrable Hamiltonian systems and the chaotic 3-body problem. In this work, we consider an intermediate case of regular motion in a non-integrable system: the behaviour of object
Externí odkaz:
http://arxiv.org/abs/2201.06743
Autor:
Li, Jian, Xia, Zhihong Jeff
Publikováno v:
A&A 637, A87 (2020)
Context. A recent observational census of Kuiper belt objects (KBOs) has unveiled anomalous orbital structures. This has led to the hypothesis that an additional $\sim5-10~m_{\oplus}$ planet exists. This planet, known as Planet 9, occupies an eccentr
Externí odkaz:
http://arxiv.org/abs/2004.06914
Publikováno v:
2019, A&A, 630, A68
We aim to determine the relative angle between the total angular momentum of the minor planets and that of the Sun-planets system, and to improve the orientation of the invariable plane of the solar system. By utilizing physical parameters available
Externí odkaz:
http://arxiv.org/abs/1909.11293
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