| Effects of Tobin Taxes in Minority Game markets Ginestra Bianconi, Tobias Galla, Matteo Marsili | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Efficacious Technology Management:A Guide for School Leaders Gary Ackerman | L1–3 Foundational | CC-BY-NC-SA | mirrored | 145 pp. | libretexts |
| Efficiency in European Air Traffic Management -- A Fundamental Analysis of Data, Models, and Methods Thomas Standfuss, Georg Hirte, Michael Schultz | L4–5 Advanced | CC-BY | mirrored | 14 pp. | arxiv |
| Efficiency in foreign exchange markets R. Baviera, M. Pasquini, M. Serva | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Efficient and Accurate Estimation of Lipschitz Constants for Deep Neural Networks Mahyar Fazlyab, Alexander Robey, Hamed Hassani | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Efficient and robust transfer learning of optimal individualized treatment regimes with right-censored survival data Pan Zhao, Julie Josse, Shu Yang | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Efficient Approximation of Gromov-Wasserstein Distance Using Importance Sparsification Mengyu Li, Jun Yu, Hongteng Xu | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Efficient cache use for stencil operations on structured discretization grids Michael A. Frumkin, Rob F. Van der Wijngaart | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Efficient inference and identifiability analysis for differential equation models with random parameters Alexander P. Browning, Christopher Drovandi, Ian W. Turner | L4–5 Advanced | CC-BY | mirrored | 46 pp. | arxiv |
| Efficiently Breaking the Curse of Horizon in Off-Policy Evaluation with Double Reinforcement Learning Nathan Kallus, Masatoshi Uehara | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Efficient Pricing and Hedging of High Dimensional American Options Using Recurrent Networks Andrew Na, Justin Wan | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Efficient probabilistic top-down and left-corner parsing Brian Roark, Mark Johnson | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Egotism in German Philosophy | L2–5 Introductory | Public domain | mirrored | 167 pp. | wikisource |
| EGT through Quantum Mechanics & from Statistical Physics to Economics Esteban Guevara | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Eigenvalue density of empirical covariance matrix for correlated samples Z. Burda, J. Jurkiewicz, B. Waclaw | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Eigenvalues as Dynamical Variables Giovanni Landi | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| EINNs: Epidemiologically-informed Neural Networks Alexander Rodr\'iguez, Jiaming Cui, Naren Ramakrishnan | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Einstein-Cartan Algebroids and Black Holes in Solitonic Backgrounds Sergiu I. Vacaru | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Ejecta cloud distributions for the statistical analysis of impact cratering events onto asteroids' surfaces: a sensitivity analysis Mirko Trisolini, Camilla Colombo, Yuichi Tsuda | L4–5 Advanced | CC-BY-NC-ND | mirrored | 39 pp. | arxiv |
| Elastic Cash Anup Rao | L4–5 Advanced | CC-BY | mirrored | 13 pp. | arxiv |
| Elastic Similarity and Distance Measures for Multivariate Time Series Ahmed Shifaz, Charlotte Pelletier, Francois Petitjean | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Electrical Fundamentals Competency Industry Training Authority of BC | L1–3 Foundational | CC-BY | mirrored | 46 pp. | libretexts |
| Electricity Virtual Bidding Strategy Via Entropy-Regularized Stochastic Control Method Zhou Fang | L4–5 Advanced | CC-BY | mirrored | 11 pp. | arxiv |
| Electromagnetic Wavelets as Hertzian Pulsed Beams in Complex Spacetime Gerald Kaiser | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Electronic Commerce - The Strategic Perspective Richard T. Watson, Pierre Berthon, Leyland F. Pitt | L1–3 Foundational | CC-BY | mirrored | 93 pp. | libretexts |
| Electrostatic partners and zeros of orthogonal and multiple orthogonal polynomials Andrei Mart\'inez-Finkelshtein, Ram\'on Orive, Joaqu\'in S\'anchez-Lara | L4–5 Advanced | CC-BY | mirrored | 64 pp. | arxiv |
| Elegy in memory of that valiant champion, Sir R. Grierson, late Laird of Lag, who died Dec. 23d, 1733 | L2–5 Introductory | Public domain | mirrored | 23 pp. | wikisource |
| Elementary Algebra | L1–2 Foundational | CC-BY | mirrored | 1,318 pp. | openstax |
| Elementary Algebra 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 1,290 pp. | openstax |
| Elementary fractal geometry. Networks and carpets involving irrational rotations Christoph Bandt, Dmitry Mekhontsev | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Elias Ideals Hailong Dao | L4–5 Advanced | CC-BY | mirrored | 9 pp. | arxiv |
| Eliminating deceptions and mistaken belief to infer conversational implicature Mark Lee, Yorick Wilks (University of Sheffield) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Eliminating Meta Optimization Through Self-Referential Meta Learning Louis Kirsch, J\"urgen Schmidhuber | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Elliptic-hyperbolic systems and the Einstein equations Lars Andersson (University of Miami), Vincent Moncrief (Yale University) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Elucidating Inferential Models with the Cauchy Distribution Chuanhai Liu, Ryan Martin | L4–5 Advanced | CC-BY-NC-ND | mirrored | 13 pp. | arxiv |
| EMAHA-DB1: A New Upper Limb sEMG Dataset for Classification of Activities of Daily Living Naveen Kumar Karnam, Anish Chand Turlapaty, Shiv Ram Dubey | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Emergence of firms in $(d+1)$-dimensional work space G. Weisbuch, D. Stauffer, D. Mangalagiu | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Emerging Challenges in Computational Topology Marshall Bern, David Eppstein, Pankaj K. Agarwal | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Empirical analysis in limit order book modeling for Nikkei 225 Stocks with Cox-type intensities Shunya Chomei | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Empirical distributions of Chinese stock returns at different microscopic timescales Gao-Feng Gu (ECUST), Wei Chen (SZSE), Wei-Xing Zhou (ECUST) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Empirical Framework for Cournot Oligopoly with Private Information Gaurab Aryal, Federico Zincenko | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Empirical investigation of a quantum field theory of forward rates Belal E. Baaquie, Srikant Marakani | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Empirical nonextensive laws for the county distribution of total personal income and gross domestic product Ernesto P. Borges (Escola Politecnica, Universidade Federal da Bahia, Brazil | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Empirical Optimal Transport under Estimated Costs: Distributional Limits and Statistical Applications Shayan Hundrieser, Gilles Mordant, Christoph Alexander Weitkamp | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Empirical regularities of order placement in the Chinese stock market Gao-Feng Gu (ECUST), Wei Chen (SZSE), Wei-Xing Zhou (ECUST) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Empirical shape function of limit-order books in the Chinese stock market Gao-Feng Gu (ECUST), Wei Chen (SZSE), Wei-Xing Zhou (ECUST) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Empirics versus RMT in financial cross-correlations S. Drozdz, J. Kwapien, P. Oswiecimka | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| EMS Psychomotor Skills Lab Manual Chris Hamper, Carmen Curtz, Holly A. Edwins | L1–3 Foundational | CC-BY-NC-SA | link only | — | libretexts |
| Encyclopedia of Needlework | L2–5 Introductory | Public domain | mirrored | 3 pp. | wikisource |
| Energy estimated frequencies of standing-wave solutions to non-linear Klein-Gordon systems in higher dimension Daniele Garrisi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |