Fractal model of regional university complexes by I. D. Belonovskaya, V. V. Baranov

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Complex Risk Statistics with Scenario Analysis by Fei Sun, Yichuan Dong

“…Complexity…”
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On close-to-convex functions of complex order by H. S. Al-Amiri, Thotage S. Fernando

Subjects: “…close-to-convex functions of complex order…”
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Complex Atanassov's Intuitionistic Fuzzy Relation by Abd Ulazeez M. Alkouri, Abdul Razak Salleh

“…This paper presents distance measure between two complex Atanassov's intuitionistic fuzzy sets (CAIFSs). …”
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Correlation and autocorrelation of data on complex networks by Rudy Arthur

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Culture under Complex Perspective: A Classification for Traditional Chinese Cultural Elements Based on NLP and Complex Networks by Lin Qi, Yuwei Wang, Jindong Chen, Mengjie Liao, Jian Zhang

“…Complexity…”
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The saprotrophic Pleurotus ostreatus species complex: late Eocene origin in East Asia, multiple dispersal, and complex speciation by Jing Li, Li-Hong Han, Xiao-Bin Liu, Zhi-Wei Zhao, Zhu L. Yang

“…Abstract The Pleurotus ostreatus species complex is saprotrophic and of significant economic and ecological importance. …”
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Distributed Event-Triggered Output Synchronization of Complex-Valued Memristive Reaction-Diffusion Complex Networks with Spatial Sampled-Data by Tiane Chen, Zaihe Cheng

“…Complexity…”
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A Novel Four-Wing Hyperchaotic Complex System and Its Complex Modified Hybrid Projective Synchronization with Different Dimensions by Jian Liu, Shutang Liu, Fangfang Zhang

“…We introduce a new Dadras system with complex variables which can exhibit both four-wing hyperchaotic and chaotic attractors. …”
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Esophageal Gastrointestinal Stromal Tumor: Diagnostic Complexity and Management Pitfalls by Charalampos G. Markakis, Eleftherios D. Spartalis, Emmanouil Liarmakopoulos, Evangelia G. Kavoura, Periklis Tomos

“…This report illustrates the complexity and dilemmas inherent in diagnosing and treating esophageal GISTs.…”
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The Visual Complexity of Coronal Mass Ejections Follows the Solar Cycle by S. R. Jones, C. J. Scott, L. A. Barnard, R. Highfield, C. J. Lintott, E. Baeten

“…Abstract The Heliospheric Imagers on board National Aeronautics and Space Administration (NASA)'s twin STEREO spacecraft show that coronal mass ejections (CMEs) can be visually complex structures. To explore this complexity, we created a citizen science project with the U.K. …”
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Low-complexity sparse channel estimation for massive MIMO systems by Xin FANG, Yunju LIU, Haiyan CAO, Peng PAN

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Complexity in Neural and Financial Systems: From Time-Series to Networks by Tiziano Squartini, Andrea Gabrielli, Diego Garlaschelli, Tommaso Gili, Angelo Bifone, Fabio Caccioli

“…Complexity…”
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Alternative Definitions of Complexity for Practical Applications of Model Selection Criteria by Murari Andrea, Riccardo Rossi, Teddy Craciunescu

“…Complexity…”
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General Improvements of Heuristic Algorithms for Low Complexity DOA Estimation by Haihua Chen, Haoran Li, Mingyang Yang, Changbo Xiang, Masakiyo Suzuki

“…Simulation results show that the computational complexity can be greatly reduced while these improvements are used.…”
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A perturbative approach to complexity during shearing, dissipative collapse by Kevin Reddy, Megan Govender

“…Abstract We investigate the notion of complexity as defined by Herrera et al. (Phys Rev D 97:044010, 2018) for a star undergoing dissipative collapse in the presence of shear. …”
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Low complexity decoder over time-selective fading channels by ZHANG Bi-jun, ZHU Guang-xi, SUN Jun, LIU Wen-ming

“…A low complexity decoder was presented applicable to time-selective fading channels based on the existed group layered space-time （GLST） architecture. …”
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Individual and collective scale in the complexity of school space. The Portuguese experience by André Santos, Anna Kazimirko, Leonardo Barros

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In Search of Chaos and Complexity of a Cognitive Language-Learning System by Gaofei Luo, Sayan Mukherjee

“…Complexity…”
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Low-complexity ATPM-VSIMM algorithm with adaptive model parameters by Hao ZENG, Wangqiang MU, Yang JIANG, Shunping YANG

“…Aiming at the problem that for maneuvering target tracking, the accuracy of tracking degraded in interacting multiple model algorithms due to the fixed model sets and the fixed transition probability matrix, a low-complexity ATPM-VSIMM algorithm was proposed, which could update the model parameters adaptively.The maneuvering situation of the target was judged according to the innovation changes of the system, and the state noise of the model sets was adjusted to realize the adaptive update of the model sets.Then, the more accurate transition probability matrix was computed through the change of the model posterior probability and the inter-model switching relationship.Therefore, the matching degree between the system motion model and the target motion trajectory was improved.Finally, the high filtering accuracy and the fast response speed of the tracking system were guaranteed.The effectiveness of the proposed algorithm was verified through three aspects that are the initial value of the model posterior probability, the initial value of the transition probability matrix, and the state noise.Simulation results demonstrate that the filtering accuracy of the ATPM-VSIMM algorithm is improved about 8% compared with the existing algorithms.…”
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