Stealthy data poisoning attack method on offline reinforcement learning in unmanned systems by ZHOU Xue, MAN Dapeng, XU Chen, LYU Jiguang, ZENG Fanyi, GAO Chaoyang, YANG Wu

“…Temporal difference errors, identified through theoretical analysis as crucial for model learning, were used to guide poisoning target selection. A bi-objective optimization approach was introduced to minimize perturbation magnitude while maximizing the negative impact on performance. …”
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Delay-Range-Dependent Stability Criteria for Takagi-Sugeno Fuzzy Systems with Fast Time-Varying Delays by Pin-Lin Liu

“…By developing delay decomposition approach, integral inequalities approach (IIA), and Leibniz-Newton formula, the information of the delayed plant states can be taken into full consideration, and new delay-dependent sufficient stability criteria are obtained in terms of linear matrix inequalities (LMIs) which can be easily solved by various optimization algorithms. Simulation examples show resulting criteria outperform all existing ones in the literature. …”
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INVAP's Nuclear Calculation System by Ignacio Mochi

“…Since its origins in 1976, INVAP has been on continuous development of the calculation system used for design and optimization of nuclear reactors. The calculation codes have been polished and enhanced with new capabilities as they were needed or useful for the new challenges that the market imposed. …”
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Low-Thrust Transfer Design of Low-Observable Geostationary Earth Orbit Satellite by Bing Hua, Zhujun Shao

“…A control parameter optimization addresses the orbit transfer problem, and five thrust modes are used. …”
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Preoperative Hemoglobin Level Predicts Surgical Site Infections in Trauma Orthopedic Surgery: A Cohort Study by Williams Walana, Fredrick Gyilbagr, Alexis D. B. Buunaaim

“…Educate patients on the need to optimize their hemoglobin levels before surgery and discuss potential interventions, including iron supplementation or transfusion.…”
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Gaussian Qualitative Trigonometric Functions in a Fuzzy Circle by M. Clement Joe Anand, Janani Bharatraj

“…We have also developed the trigonometric identities based on qualitative representation by defining trigonometric functions qualitatively and applied the concept to fuzzy particle swarm optimization using α-cuts.…”
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Computing Edge Version of Resolvability and Double Resolvability of a Graph by Muhammad Ahmad, Zohaib Zahid, Tabasam Rashid, Juan Luis Garcia Guirao

“…The field of graph theory is extensively used to investigate structure models in biology, computer programming, chemistry, and combinatorial optimization. In order to work with the chemical structure, chemists require a mathematical form of the compound. …”
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Consensus of Nonlinear Complex Systems with Edge Betweenness Centrality Measure under Time-Varying Sampled-Data Protocol by M. J. Park, O. M. Kwon, E. J. Cha

“…By construction of a suitable Lyapunov-Krasovskii functional, the consensus criterion for such systems is established in terms of linear matrix inequalities (LMIs) which can be easily solved by various effective optimization algorithms. One numerical example is given to illustrate the effectiveness of the proposed methods.…”
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A Variable Neighborhood Walksat-Based Algorithm for MAX-SAT Problems by Noureddine Bouhmala

“…The simplicity of the maximum satisfiability problem (MAX-SAT) combined with its applicability in many areas of artificial intelligence and computing science made it one of the fundamental optimization problems. This NP-complete problem refers to the task of finding a variable assignment that satisfies the maximum number of clauses (or the sum of weights of satisfied clauses) in a Boolean formula. …”
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Hydraulic Characteristics and Numerical Simulation of the Entrance Section of Ladder-Shaped Spillway by X. B. Gu, Q. H. Wu, Y. Wang, H. X. Zhao

“…The conclusions demonstrate that the numerical results of the flow characteristics are very proximate to actual experimental results, the changeable law is the same, and their energy dissipation rate is basically consistent; it shows the feasibility of three-dimensional numerical simulation; the conclusions can provide the basis for the optimization about the flow state of the ladder-shaped spillway in the future.…”
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Prediction of China’s Express Business Volume Based on FGM (1, 1) Model by Chunyan Xiong, Liusan Wu

“…Based on the data of China’s express business volume from 2015 to 2019, this paper uses the improved Particle Swarm Optimization algorithm to calculate the fractional-order r of the FGM (1, 1) model and forecasts China’s express business volume from 2020 to 2023. …”
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New Convergence Properties of the Primal Augmented Lagrangian Method by Jinchuan Zhou, Xunzhi Zhu, Lili Pan, Wenling Zhao

“…New convergence properties of the proximal augmented Lagrangian method is established for continuous nonconvex optimization problem with both equality and inequality constrains. …”
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ТHE DEVELOPMENT OF THE TECHNICAL EDUCATION IN NEFU by Terentiy A. Kornilov, Ekaterina A. Arkhangelskaya

“…The third principle implies optimization of students’ self-dependent work including participation of students in team project activities with the attraction of employers and practical experts.…”
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Path Planning Using a Hybrid Evolutionary Algorithm Based on Tree Structure Encoding by Ming-Yi Ju, Siao-En Wang, Jian-Horn Guo

“…To solve the problem of hybrid genetic algorithm and particle swarm optimization, the “dummy node” is added into the binary trees to deal with the different lengths of representations. …”
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Dynamic Proportional Reinsurance and Approximations for Ruin Probabilities in the Two-Dimensional Compound Poisson Risk Model by Yan Li, Guoxin Liu

“…In addition, we obtain the Lundberg bounds and the Cramér-Lundberg approximation for the ruin probability and show that as the capital tends to infinity, the optimal strategies converge to the asymptotically optimal constant strategies. …”
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Protecting and Expanding Railway Networks to Hedge against Disruptions: A Model with Travel Segments by Stefano Starita, Chandra Ade Irawan, Pavitra Jindahra

“…This paper introduces an optimization model to identify the set of fortifications and network expansions to mitigate the impact of worst-case disruptions. …”
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Differential Game for a Class of Warfare Dynamic Systems with Reinforcement Based on Lanchester Equation by Xiangyong Chen, Jianlong Qiu

“…This paper concerns the optimal reinforcement game problem between two opposing forces in military conflicts. …”
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Performance Analysis of Dijkstra-Based Weighted Sum Minimization Routing Algorithm for Wireless Mesh Networks by Nuha A. S. Alwan

“…Multiobjective optimization methods for routing in static wireless mesh networks (WMNs), with more than one QoS measure to be optimized, are highly challenging. …”
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Asymptotic Behavior of the Likelihood Function of Covariance Matrices of Spatial Gaussian Processes by Ralf Zimmermann

“…As a consequence, the main result is obtained: optimally trained nondegenerate spatial Gaussian processes cannot feature arbitrary ill-conditioned correlation matrices. …”
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Tautomerism of 5-Methyl Imidazolidine Thio Derivatives in the Gas Phase: A Density Functional Study by Zaki S. Safi, Fakhr M. Abu-Awwad

“…Relative tautomerisation energies, enthalpies, entropies, Gibbs free energies, and dipole moments for 5-methyl-2,4-dioxo-imidazolidine and its thio analogous have been studied in the gas phase using hybrid density functional at the B3LYP level of theory using 6-31(d) and 6-311+(2df,2p) basis sets with full geometry optimization. A comparative investigation of their energies revealed that the keto form of the compound is the predominant tautomer with a very high tautomeric energy barrier. …”
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