Bridging inverse participation ratio and portfolio theory.

Συγγραφείς: Molero González, Laura^1,2 (AUTHOR) laura.molerogonzalez@uniroma1.it, Cerqueti, Roy^2,3 (AUTHOR) roy.cerqueti@uniroma1.it, Trinidad Segovia, Juan E.¹ (AUTHOR) jetrini@ual.es, Sánchez Granero, Miguel A.⁴ (AUTHOR) misanche@ual.es

Πηγή: Financial Innovation. 8/9/2026, Vol. 12 Issue 1, p1-37. 37p.

Θεματικοί όροι: *Portfolio management (Investments), *Standard & Poor's 500 Index, *Public utilities, *Financial markets, *Financial stress, Eigenanalysis, Logarithms

A hierarchy of eigencomputations for polynomial optimization on the sphere.

Συγγραφείς: Lovitz, Benjamin¹ (AUTHOR) benjamin.lovitz@gmail.com, Johnston, Nathaniel² (AUTHOR) njohnston@mta.ca

Πηγή: Mathematical Programming. Sep2026, Vol. 219 Issue 1/2, p113-156. 44p.

Θεματικοί όροι: *Mathematical optimization, Eigenanalysis, Homogeneous polynomials, Semidefinite programming, Spheres

Spatial Eigenanalysis of 2D Deformation Energies.

Συγγραφείς: Wu, Haomiao¹ (AUTHOR), Wu, Kui² (AUTHOR), Kim, Theodore¹ (AUTHOR)

Πηγή: Computer Graphics Forum. Aug2026, p1. 12p. 7 Illustrations.

Θεματικοί όροι: Eigenanalysis, Dynamic simulation, Parameterization, Newton-Raphson method, Cartesian coordinates

Subsynchronous Oscillation Assessment in Grid Integration of Large Data Center Loads

Συγγραφείς: Barati, Masoud

Πηγή: 2026 IEEE Power & Energy Society General Meeting (PESGM) Power & Energy Society General Meeting (PESGM), 2026 IEEE. :1-5 Jul, 2026

Relation: 2026 IEEE Power & Energy Society General Meeting (PESGM)

Boundary-aware Neural Model Reduction for PDEs

Συγγραφείς: Liao, Li, Shen, Pengfei, Peng, Yifan

Πηγή: Proceedings of the Special Interest Group on Computer Graphics and Interactive Techniques Conference Conference Papers. :1-11

Διαθεσιμότητα: http://dl.acm.org/doi/10.1145/3799902.3811153

Fast, Order-Invariant Bayesian Inference in VARs Using the Eigendecomposition of the Error Covariance Matrix.

Συγγραφείς: Wu, Ping¹ (AUTHOR) ping.wu@strath.ac.uk, Koop, Gary¹ (AUTHOR)

Πηγή: Journal of Business & Economic Statistics. Jul2026, Vol. 44 Issue 3, p771-783. 13p.

Θεματικοί όροι: *Economic forecasting, *Bayesian analysis, Vector autoregression model, Eigenanalysis, Covariance matrices, Heteroscedasticity, Matrix decomposition

Enhanced Error‐Free Retrieval in Kuramoto‐Type Associative‐Memory Networks via Two‐Memory Configuration.

Συγγραφείς: Li, Zhuchun¹ (AUTHOR), Zhao, Xiaoxue^2,3 (AUTHOR) zhaoxiaoxue@hit.edu.cn, Zhou, Xiang^3,4 (AUTHOR)

Πηγή: Studies in Applied Mathematics. May2026, Vol. 156 Issue 5, p1-21. 21p.

Θεματικοί όροι: Eigenanalysis, Stability theory, Recollection (Psychology), Pattern perception, Nonlinear oscillators

Research on the mechanism of wheelset flutter in rail vehicles.

Συγγραφείς: Huang, Yu¹ (AUTHOR), Dai, Huanyun¹ (AUTHOR) daihuanyun@163.com, Qi, Yayun² (AUTHOR), Huang, Caihong¹ (AUTHOR), Yao, Yuan¹ (AUTHOR)

Πηγή: Journal of Vibration & Control. Oct2026, Vol. 32 Issue 19/20, p5728-5742. 15p.

Θεματικοί όροι: *Flutter (Aerodynamics), *Eigenanalysis, *Vibration (Mechanics), *Mechanical vibration research, *Dynamic stability, *Railroad cars, *Damping (Mechanics)

Stochastic Singularity Analysis in Multi-Material Domains: Effects of Randomness in Isotropic Material Properties.

Συγγραφείς: Omer, Netta¹ (AUTHOR)

Πηγή: Mathematics (2227-7390). Aug2026, Vol. 14 Issue 15, p2689. 20p.

Θεματικοί όροι: *Eigenanalysis, *Polynomial chaos, *Young's modulus, *Poisson's ratio, *Isotropic properties, *Inhomogeneous materials

Eigenvalue Characterization of Persistence of Excitation for Convex Adaptive Predictive Control.

Συγγραφείς: Hernandez Vicente, Bernardo A.¹ (AUTHOR) behernandez@udec.cl

Πηγή: International Journal of Adaptive Control & Signal Processing. Aug2026, Vol. 40 Issue 8, p1614-1624. 11p.

Θεματικοί όροι: *Eigenanalysis, *Convex programming, *Predictive control systems, *System identification, *Control theory (Engineering), *Linear matrix inequalities, *Linear time invariant systems

Scattering Parameter Symmetries for a Bianisotropic Material with an Orthorhombic Lattice

Συγγραφείς: Havrilla, Michael

Πηγή: 2026 20th European Conference on Antennas and Propagation (EuCAP) Antennas and Propagation (EuCAP), 2026 20th European Conference on. :1-5 Apr, 2026

Relation: 2026 20th European Conference on Antennas and Propagation (EuCAP)

Note on the spectra of signed complete bipartite graphs with regular negative edges.

Συγγραφείς: Ou, Siyu¹ (AUTHOR), Qiu, Zhengping² (AUTHOR), Tang, Zikai¹ (AUTHOR) zikaitang@163.com

Πηγή: Discrete Applied Mathematics. Jul2026, Vol. 388, p34-42. 9p.

Θεματικοί όροι: *Laplacian matrices, *Eigenanalysis, *Laplacian operator, *Spectral theory, *Graph theory

A Bayesian Modeling Approach for Predicting the Structural Stability of Existing Reticulated Shells Based on Static Loadings.

Συγγραφείς: Lyu, Wenxin^1,2 (AUTHOR) lvwenxin12@163.com, Deng, Hua² (AUTHOR) denghua@zju.edu.cn, Wu, Xiaoshun³ (AUTHOR) wuxiaoshun1981@163.com, Hong, Hao² (AUTHOR) honghao@zju.edu.cn

Πηγή: International Journal of Structural Stability & Dynamics. Jul2026, p1. 35p.

Θεματικοί όροι: *Structural stability, *Eigenanalysis, *Mathematical optimization, *Dead loads (Mechanics), *Bayesian analysis, *Structural shells, *Gaussian processes

Eigenvalue-Based Diagnostic Equity Testing: A Random Matrix Framework for Detecting Multi-Dimensional Performance Disparities in Clinical Classifiers.

Συγγραφείς: Olaniran, Oyebayo Ridwan¹ (AUTHOR) olaniran.or@unilorin.edu.ng, Alzahrani, Ali Rashash R.² (AUTHOR), Alharbi, Mohammed H.³ (AUTHOR), Alharbi, Nada Mohammed Saeed⁴ (AUTHOR), Alzahrani, Asma Ahmad⁵ (AUTHOR), Kunle, Saheed Ajibade⁶ (AUTHOR)

Πηγή: Mathematics (2227-7390). Jul2026, Vol. 14 Issue 14, p2583. 28p.

Θεματικοί όροι: *Eigenanalysis, *Algorithmic bias, *Machine learning, *Random matrices, *Diagnostic examinations, *Statistical hypothesis testing

Seniority eigenstate configuration interaction.

Συγγραφείς: Henderson, Thomas M.^1,2 thomas.henderson@rice.edu, Chen, Guo P.¹, Scuseria, Gustavo E.^1,2

Πηγή: Journal of Chemical Physics. 7/7/2026, Vol. 165 Issue 1, p1-9. 9p.

Θεματικοί όροι: *Eigenanalysis, *Electronics, *Algebra, *Mathematics, *Nitrogen

Eigenvalue analysis of thermo-mechanical relaxation times in viscoelastic skin tissue.

Συγγραφείς: Alqahtani, Zuhur¹ (AUTHOR), Abbas, Ibrahim² (AUTHOR) ibrabbas7@science.sohag.edu.eg, Almuneef, Areej¹ (AUTHOR)

Πηγή: Journal of Non-Equilibrium Thermodynamics. Jul2026, Vol. 51 Issue 3, p293-307. 15p.

Θεματικοί όροι: *Eigenanalysis, *Viscoelasticity, *Thermotherapy, *Tissues, *Stress relaxation tests, *Viscoelastic materials, *Heat conduction

Designing and analysing a teaching proposal about linear algebra through the dialogue of two theories.

Συγγραφείς: Piroi, Margherita¹ (AUTHOR) margherita.piroi@unito.it, Barquero, Berta² (AUTHOR), Bosch, Marianna² (AUTHOR)

Πηγή: International Journal of Mathematical Education in Science & Technology. Jul2026, Vol. 57 Issue 7, p1435-1459. 25p.

Θεματικοί όροι: *Eigenanalysis, *Praxeology, *Mathematics education, *Lesson planning, *Semiotics, *Engineering education, *Linear algebra

A block Lanczos method for the symmetric generalized eigenvalue complementarity problem.

Συγγραφείς: Gong, Ziche¹ (AUTHOR) gongziche@hnu.edu.cn, Lei, Yuan¹ (AUTHOR) yleimath@hnu.edu.cn, Cao, Chengwen¹ (AUTHOR) chengwen@hnu.edu.cn, Gong, Guangcai² (AUTHOR) gcgong@hnu.edu.cn

Πηγή: Numerical Algorithms. Jun2026, Vol. 102 Issue 2, p1237-1264. 28p.

Θεματικοί όροι: *Lanczos method, *Eigenanalysis, *Eigenvalues, *Numerical analysis, *Mathematical analysis, *Quadratic programming

Eigen-guided transformer: A data-driven approach for chronic kidney disease forecasting.

Συγγραφείς: Saeed, Fahman¹ (AUTHOR) faesaeed@imamu.edu.sa, Aldera, Sultan¹ (AUTHOR) ssaldera@imamu.edu.sa

Πηγή: PLoS ONE. 5/21/2026, Vol. 21 Issue 5, p1-23. 23p.

Θεματικοί όροι: *Eigenanalysis, *Forecasting, *Algorithmic bias, *Chronic kidney failure, *Medical records, *Deep learning

An exceptional-point wireless sensor featuring non-reciprocal and electronic-tunable coupling.

Συγγραφείς: Hao, Yushun^1,2, Zhang, Xuanhao^1,2, Wu, Pengde^1,2, Wang, Gaofeng^1,2, Cheng, Yuhua^1,2 chengyh@hdu.edu.cn

Πηγή: Applied Physics Letters. 5/11/2026, Vol. 128 Issue 19, p1-5. 5p.

Θεματικοί όροι: *Wireless communications, *Eigenanalysis, *Photonics, *Acoustics, *Linear algebra