Showing 421 - 440 results of 4,802 for search 'complex have problems', query time: 0.17s Refine Results
  1. 421

    Measurement-Induced Entanglement and Complexity in Random Constant-Depth 2D Quantum Circuits by Max McGinley, Wen Wei Ho, Daniel Malz

    Published 2025-05-01
    “…Our findings have consequences for the complexity of classically simulating sampling from random shallow circuits and of contracting tensor networks. …”
    Get full text
    Article
  2. 422

    TECHNICAL UNIVERSITY AS A MULTILEVEL EDUCATIONAL COMPLEX: FROM THE EXPERIENCE OF EDUCATION OF YOUNG STUDENTS by S. V. Sergeeva, O. A. Voskrekasenko

    Published 2016-01-01
    “…The purpose of the article is summarizing the experience and determination of the main vectors of educational work organization and implementation in a technical university as a multi-level educational complex (MEC).Methods. Theoretical methods such as the analysis of scientific literature, the synthesis of the main concepts and approaches to the problem under consideration, the generalization of experience are used.The results and scientific novelty. …”
    Get full text
    Article
  3. 423

    Unsymmetrical Bis(thiosemicarbazone) Ligands and Their Nickel(II) Complexes: Synthesis, Characterization and Photocatalytic Activity by Rodrigo Burón, David G. Calatayud, M. A. Mendiola, Elena López-Torres

    Published 2025-01-01
    “…Photocatalysis, particularly through coordination compounds, presents a promising solution to this problem. In this study, we report the synthesis and characterization of three novel dissymmetric bis(thiosemicarbazone) ligands and their corresponding nickel(II) complexes, which have been extensively analyzed using various techniques. …”
    Get full text
    Article
  4. 424

    A Coordinated Optimization Model of the Complex System of the Green Supply Chain Distribution Network by Yurong Guan, Muhammad Aamir, Zaheer Ahmed Dayo, Ziaur Rahman, Waheed Ahmed Abro, Irfan Ali, Zhihua Hu

    Published 2021-01-01
    “…However, there are very few optimization models that consider all kinds of influencing factors. To solve the problem, this paper attempts to establish a coordinated optimization model of the complex system of the green supply chain distribution network (GSCDN). …”
    Get full text
    Article
  5. 425
  6. 426

    Routization Problem Complicated by the Dependence of Costs Functions and «Current» Restrictions From the Tasks List by A. G Chentsov, A. A. Chentsov

    Published 2016-04-01
    “…The considered setting is oriented to the application with regard to a nuclear power engineering problems (the problem of decreasing irradiation of the nuclear power station staff when executing a complex of tasks under high radiation intensity) and the machine building. …”
    Get full text
    Article
  7. 427

    Tool Object Analysis and ChatGPT Integration for Creative Problem-Solving Algorithm Development by Jung-Suk Hyun, Chan-Jung Park

    Published 2025-02-01
    “…Though TRIZ’s 76 standard solutions can be applied to a wide range of problem types, they are too complex. We developed a simplified tool object analysis algorithm using TRIZ’s 76 standard solutions. …”
    Get full text
    Article
  8. 428

    Application of 2D NMR Component Definition Method in Complex Shale Reservoir Evaluation by GAO Shufang, ZHANG Xiaoqiu, LI Guimei, CHEN Wenan, LIANG Xiaoyu, GUO Ya'nan, LI Qingbo, WEI Guo

    Published 2024-04-01
    “…The core and experimental data in Qigequan-Shibei slope area of the Qaidam basin show that the E32 formation has the characteristics of complex lithology and rapid vertical variation, and its logging response characteristics are quite different from those of conventional reservoirs. …”
    Get full text
    Article
  9. 429

    Problem-based learning with baamboozle edugame: Enhancing critical thinking skills and learning interest by Endang Wahyuningsih, Fina Hanifa Hidayati, Ghufron Zaida Muflih, Fersellia Fersellia

    Published 2024-12-01
    “…Background: Developing students' critical thinking skills and learning interest is essential in mathematics education, particularly in complex topics like discrete mathematics. Problem-Based Learning (PBL) models, integrated with educational technology such as the Baamboozle edugame, have the potential to address these educational challenges. …”
    Get full text
    Article
  10. 430

    COMPUTATIONAL THINKING IN THE PROBLEM OF RELIABLE AND SECURE DATA TRANSMISSION OVER A COMMUNICATION CHANNEL by Kirill V. Agievets, Andarbek Z. Ahmadov, Grigory A. Ivanenko, Mikhail A. Ivanov, Mikael A. Kondakhchan, Andrey V. Starikovsky

    Published 2025-05-01
    “…There are three problems that have to be solved when transmitting data over communication channels: detection and correction of errors caused by interference in communication channels; ensuring of transmitted data privacy; protection against injection of false data. …”
    Get full text
    Article
  11. 431

    Group Stable Matching Problem in Freight Pooling Service of Vehicle–Cargo Matching Platform by Linlin Kong, Min Huang

    Published 2025-06-01
    “…Due to the freight pooling matching problem involving the combination and allocation of multiple vehicle owners and cargo owners, which is highly complex, few scholars have conducted research on such issues. …”
    Get full text
    Article
  12. 432

    Solving geocryology problems based on generalized Fourier theory for temperature waves in half-space by Anatoliy M. Afanasyev, Yulia S. Bakhracheva

    Published 2024-12-01
    “…According to the results obtained, the temperature field is represented by a superposition of two damped harmonic waves, which have the same frequency, but different attenuation coefficients and phase velocities. …”
    Get full text
    Article
  13. 433

    Multiple solutions to the static forward free–boundary Grad–Shafranov problem on MAST-U by K. Pentland, N.C. Amorisco, P.E. Farrell, C.J. Ham

    Published 2025-01-01
    “…The Grad–Shafranov (GS) equation is a nonlinear elliptic partial differential equation that governs the ideal magnetohydrodynamic equilibrium of a tokamak plasma. Previous studies have demonstrated the existence of multiple solutions to the GS equation when solved in idealistic geometries with simplified plasma current density profiles and boundary conditions. …”
    Get full text
    Article
  14. 434
  15. 435

    Linear Gauss Pseudospectral Method Using Neighboring Extremal for Nonlinear Optimal Control Problems by Tianyou Zhang, Wanchun Chen, Liang Yang

    Published 2025-07-01
    “…Therefore, a quadratic optimal control problem is formulated, which is subject to such perturbation differential equations. …”
    Get full text
    Article
  16. 436

    Electric Vehicle Routing Problem with Heterogeneous Energy Replenishment Infrastructures Under Capacity Constraints by Bowen Song, Rui Xu

    Published 2025-04-01
    “…Through small-scale instance experiments, we have verified the computational complexity of the problem and demonstrated HACO’s superior performance compared to the Gurobi solver. …”
    Get full text
    Article
  17. 437

    Stochastic Variance Reduced Primal–Dual Hybrid Gradient Methods for Saddle-Point Problems by Weixin An, Yuanyuan Liu, Fanhua Shang, Hongying Liu

    Published 2025-05-01
    “…Recently, many stochastic Alternating Direction Methods of Multipliers (ADMMs) have been proposed to solve large-scale machine learning problems. …”
    Get full text
    Article
  18. 438

    On Construction of Solutions of Hyperbolic Kirchhoff-Type Problems Involving Free Boundary and Volume Constraint by Fatima Ezahra Bentata, Ievgen Zaitsev, Kamel Saoudi, Vladislav Kuchanskyy

    Published 2025-04-01
    “…In this paper, we have undertaken the challenging and novel task of establishing the existence of weak solutions for four types of hyperbolic Kirchhoff-type problems: the classical hyperbolic Kirchhoff problem, the problem with a free boundary, the problem with a volume constraint, and the problem combining both a volume constraint and a free boundary. …”
    Get full text
    Article
  19. 439

    A Graph-Induced Neighborhood Search Heuristic for the Capacitated Multicommodity Network Design Problem by Houshan Zhang

    Published 2025-02-01
    “…In this work, an efficient graph-induced neighborhood search heuristic is proposed to address the capacitated multicommodity network design problem. This problem, which commonly arises in transportation and telecommunication, is well known for its inherent complexity and is often classified as <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi mathvariant="script">NP</mi></semantics></math></inline-formula>-hard. …”
    Get full text
    Article
  20. 440

    On the Use of Commercial Finite Element Packages for a Dimensionless Solution to a Class of Problems by S. Pashah

    Published 2023-01-01
    “…The approach is generally applied for closed-form (or analytical) solutions, whereas practical engineering problems can only be solved numerically. Commercial finite element packages are commonly used for the numerical solution of engineering problems with complexities caused by geometry, loading, and material properties. …”
    Get full text
    Article