| Introductory Biology: Lecture 32: Infectious Disease, Viruses, and Bacteria Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 33: Bacteria and Antibiotic Resistance Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 34: Viruses and Anti-viral Resistance Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 35: Reproductive Cloning and Embryonic Stem Cells Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 3: Structures of Amino Acids, Peptides and Proteins Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 4: Enzymes and Metabolism Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 5: Carbohydrates and Glycoproteins Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 6: Nucleic Acids Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 7: Replication Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 8: Transcription Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Biology: Lecture 9: Chromatin Remodeling and Splicing Prof. Barbara Imperiali, Prof. Adam Martin, Dr. Diviya Ray | L1–3 Foundational | CC-BY-NC-SA | mirrored | — | mit_ocw |
| Introductory Business Statistics | L1–2 Foundational | CC-BY | mirrored | 631 pp. | openstax |
| Introductory Business Statistics 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 627 pp. | openstax |
| Introductory Statistics | L1–2 Foundational | CC-BY | mirrored | 913 pp. | openstax |
| Introductory Statistics 2e | L1–2 Foundational | CC-BY-NC-SA | mirrored | 847 pp. | openstax |
| Intro to Nutrition Text Cheryl Davis | L1–3 Foundational | CC-BY-NC-SA | link only | — | libretexts |
| Invariance of Comparisons: Separation of Item and Person Parameters beyond Rasch Models Gerhard Tutz | L4–5 Advanced | CC-BY-NC-ND | mirrored | 19 pp. | arxiv |
| Invariance of Positive-Frequency Kernels in Generalized FRW Spacetimes Ph. Droz-Vincent (Universite P. et M. Curie, Paris) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Invariance to Quantile Selection in Distributional Continuous Control Felix Gr\"un, Muhammad Saif-ur-Rehman, Tobias Glasmachers | L4–5 Advanced | CC-BY-NC-SA | mirrored | 17 pp. | arxiv |
| Invariant quantization in warped spacetimes Philippe Droz-Vincent (LUTH, Meudon, France) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Invariant stable bundles over modular curves X(p) Igor V. Dolgachev | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Inventor Parametric Design: Level 1 Alex Bahl | L1–3 Foundational | CC-BY-NC | mirrored | 73 pp. | libretexts |
| Inverse moving source problem for time-fractional evolution equations: Determination of profiles Yikan Liu, Guanghui Hu, Masahiro Yamamoto | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Inverse Nodal Problem for a Conformable Fractional Diffusion Operator Ya\c{s}ar \c{C}akmak | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Inverse source problem for a one-dimensional time-fractional diffusion equation and unique continuation for weak solutions Zhiyuan Li, Yikan Liu, Masahiro Yamamoto | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Inverse source problem for the pseudo-parabolic equation associated with the Jacobi operator Bayan Bekbolat, Niyaz Tokmagambetov | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Inverse square law for the starter intensity of the discrete ordinates method in spherical geometry Charles H. Aboughantous | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Inverse Statistics in Economics : The gain-loss asymmetry Mogens H. Jensen, Anders Johansen, Ingve Simonsen | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Inverse statistics in stock markets: Universality and idiosyncracy Wei-Xing Zhou (ECUST), Wei-Kang Yuan (ECUST) | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Invertibility preserving mappings onto finite C*-algebras Martin Mathieu, Francois Schulz | L4–5 Advanced | CC-BY | mirrored | 7 pp. | arxiv |
| Investigating Sindy As a Tool For Causal Discovery In Time Series Signals Andrew O'Brien, Rosina Weber, Edward Kim | L4–5 Advanced | CC-BY | mirrored | 5 pp. | arxiv |
| Investigating Use of Low-Cost Sensors to Increase Accuracy and Equity of Real-Time Air Quality Information Ellen M. Considine, Danielle Braun, Leila Kamareddine | L4–5 Advanced | CC-BY-NC-SA | mirrored | 50 pp. | arxiv |
| Investigation and rectification of NIDS datasets and standardized feature set derivation for network attack detection with graph neural networks Anton Raskovalov, Nikita Gabdullin, Vasily Dolmatov | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Investment and Consumption without Commitment Ivar Ekeland, Traian A. Pirvu | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Invoice discounting using kelly criterion by automated market makers-like implementations Peplluis R. Esteva, Alberto Ballesteros Rodr\'iguez | L4–5 Advanced | CC-BY-NC-SA | mirrored | 44 pp. | arxiv |
| Involutions on Moduli Spaces and Refinements of the Verlinde Formula Jorgen Ellegaard Andersen, Gregor Masbaum | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| In which Financial Markets do Mutual Fund Theorems hold true? Walter Schachermayer, Mihai Sirbu, Erik Taflin | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Irreducibility of the moduli space of vector bundles on surfaces and Brill-Noether theory on singular curves Tomas L. Gomez | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Irreversibility in the short memory approximation Iliya V. Karlin, Larisa L. Tatarinova, Alexander N. Gorban | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| IRS-Aided Energy Efficient UAV Communication Hyesang Cho, Junil Choi | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Is $L^2$ Physics-Informed Loss Always Suitable for Training Physics-Informed Neural Network? Chuwei Wang, Shanda Li, Di He | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Islamophobes are not all the same! A study of far right actors on Twitter Bertie Vidgen, Taha Yasseri, Helen Margetts | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Isolated rational curves on K3-fibered Calabi-Yau threefolds Torsten Ekedahl, Trygve Johnsen, Dag Einar Sommervoll | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Isometric Lineation in English Texts: An Empirical and Mathematical Examination of its Character and Consequences Hideaki Aoyama, John Constable | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Isometry groups and geodesic foliations of Lorentz manifolds. Part I: Foundations of Lorentz dynamics Abdelghani Zeghib | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Isomorphisms between random graphs Sourav Chatterjee, Persi Diaconis | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Isotonic Recalibration under a Low Signal-to-Noise Ratio Mario V. W\"uthrich, Johanna Ziegel | L4–5 Advanced | CC-BY | mirrored | 21 pp. | arxiv |
| Isotonic Regression Estimators For Simultaneous Estimation of Order Restricted Location/Scale Parameters of a Bivariate Distribution: A Unified Study Naresh Garg, Neeraj Misra | L4–5 Advanced | CC0-1.0 | mirrored | 22 pp. | arxiv |
| Iterative DNA Coding Scheme With GC Balance and Run-Length Constraints Using a Greedy Algorithm Seong-Joon Park, Yongwoo Lee, Jong-Seon No | L4–5 Advanced | CC-BY | mirrored | 19 pp. | arxiv |
| Jerusalem's captivities lamented, or, A plain description of Jerusalem (1810-1836) | L2–5 Introductory | Public domain | mirrored | 23 pp. | wikisource |