| BagFormer: Better Cross-Modal Retrieval via bag-wise interaction Haowen Hou, Xiaopeng Yan, Yigeng Zhang | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bagging and Boosting a Treebank Parser John C. Henderson, Eric Brill | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Base Encryption: Dynamic algorithms, Keys, and Symbol Set Po-Han Lin | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Basel II for Physicists: A Discussion Paper Enrico Scalas | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Basic Blueprint Reading Ric Costin | L1–3 Foundational | CC-BY | mirrored | 61 pp. | libretexts |
| Basic Cell and Molecular Biology Gerald Bergtrom | L1–3 Foundational | CC-BY | mirrored | 414 pp. | libretexts |
| Basic Hindi I Rajiv Ranjan | L1–3 Foundational | CC-BY | mirrored | 217 pp. | libretexts |
| Basic HVAC Aaron Lee | L1–3 Foundational | CC-BY | mirrored | 58 pp. | libretexts |
| Basic Kitchen and Food Service Management BC Cook Articulation Committee | L1–3 Foundational | CC-BY | mirrored | 98 pp. | libretexts |
| Basic Lab Skills Kari Christenson | L1–3 Foundational | CC-BY-NC-SA | mirrored | 57 pp. | libretexts |
| Basic Nutrition Kathleen Hoss-Cruz | L1–3 Foundational | CC-BY-NC-ND | link only | — | libretexts |
| Basic Photography Using a Digital Camera Jongpil Cheon | L1–3 Foundational | CC-BY | mirrored | 49 pp. | libretexts |
| Basic Urdu Rajiv Ranjan | L1–3 Foundational | CC-BY | mirrored | 191 pp. | libretexts |
| Batch Bayesian Optimization via Particle Gradient Flows Enrico Crovini, Simon L. Cotter, Konstantinos Zygalakis | L4–5 Advanced | CC-BY | mirrored | 19 pp. | arxiv |
| Bayesian calibration of traffic flow fundamental diagrams using Gaussian processes Zhanhong Cheng, Xudong Wang, Xinyuan Chen | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian Graphical Entity Resolution Using Exchangeable Random Partition Priors Neil G. Marchant, Benjamin I. P. Rubinstein, Rebecca C. Steorts | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian hierarchical models for the prediction of the driver flow and passenger waiting times in a stochastic carpooling service Panayotis Papoutsis (LPSM, LMJL, ECN) | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian inference via sparse Hamiltonian flows Naitong Chen, Zuheng Xu, Trevor Campbell | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian Learning for Dynamic Inference Aolin Xu, Peng Guan | L4–5 Advanced | CC-BY | mirrored | 23 pp. | arxiv |
| Bayesian model-based outlier detection in network meta-analysis Silvia Metelli, Dimitris Mavridis, Perrine Cr\'equit | L4–5 Advanced | CC-BY-NC-ND | mirrored | 21 pp. | arxiv |
| Bayesian operator inference for data-driven reduced-order modeling Mengwu Guo, Shane A. McQuarrie, Karen E. Willcox | L4–5 Advanced | CC-BY | mirrored | 22 pp. | arxiv |
| Bayesian Optimization of ESG Financial Investments Eduardo C. Garrido-Merch\'an, Gabriel Gonz\'alez Piris, Maria Coronado Vaca | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian Quickest Detection of Propagating Spatial Events Topi Halme, Eyal Nitzan, Visa Koivunen | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian Space-time SIR modeling of Covid-19 in two US states during the 2020-2021 pandemic Andrew B Lawson, Joanne Kim | L4–5 Advanced | CC-BY-NC-SA | mirrored | 29 pp. | arxiv |
| Bayesian statistical learning using density operators Yann Berquin | L4–5 Advanced | CC-BY | mirrored | 11 pp. | arxiv |
| Bayesian Stratified Sampling to Assess Corpus Utility Judith Hochberg, Clint Scovel, Timothy Thomas | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Bayesian System ID: Optimal management of parameter, model, and measurement uncertainty Nicholas Galioto, Alex Gorodetsky | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bayesian Treatment of Incomplete Discrete Data applied to Mutual Information and Feature Selection Marcus Hutter, Marco Zaffalon | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| BDD-based reasoning in the fluent calculus - first results Steffen Hoelldobler, Hans-Peter Stoerr | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Becoming America - An Exploration of American Literature from Precolonial to Post-Revolution Wendy Kurant | L1–3 Foundational | CC-BY-SA | mirrored | 1,145 pp. | libretexts |
| Bee-Keeping Not a Nuisance | L2–5 Introductory | Public domain | mirrored | 8 pp. | wikisource |
| Beginning Excel Barbara Lave, Diane Shingledecker, Julie Romey | L1–3 Foundational | CC-BY-NC-SA | mirrored | 226 pp. | libretexts |
| Behavioral Portfolio Selection in Continuous Time Hanqing Jin, Xunyu Zhou | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Benign Underfitting of Stochastic Gradient Descent Tomer Koren, Roi Livni, Yishay Mansour | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bent Partitions, Vectorial Dual-Bent Functions and Partial Difference Sets Jiaxin Wang, Fang-Wei Fu, Yadi Wei | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Best Arm Identification with Contextual Information under a Small Gap Masahiro Kato, Masaaki Imaizumi, Takuya Ishihara | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Betting strategies with bounded splits Tomislav Petrovi\'c | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Beyond Good and Evil Nietzsche, Friedrich Wilhelm, Zimmern, Helen | L2–5 Introductory | Public domain | mirrored | — | gutenberg |
| Beyond the Fokker-Planck equation: Pathwise control of noisy bistable systems Nils Berglund, Barbara Gentz | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Beyond the Manin obstruction Alexei Skorobogatov | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Bezier Curves Intersection Using Relief Perspective Radoslav Hlusek | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Bielliptic quotient modular curves of $X_0(N)$ Francesc Bars, Mohamed Kamel, Andreas Schweizer | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bifurcation analysis of the Microscopic Markov Chain Approach to contact-based epidemic spreading in networks Alex Arenas, Antonio Garijo, Sergio G\'omez | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Bifurcations and Early-Warning Signs for SPDEs with Spatial Heterogeneity Paolo Bernuzzi, Christian K\"uhn | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| Big Ideas in Sports Analytics and Statistical Tools for their Investigation Benjamin S. Baumer, Gregory J. Matthews, Quang Nguyen | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| BiMLP: Compact Binary Architectures for Vision Multi-Layer Perceptrons Yixing Xu, Xinghao Chen, Yunhe Wang | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| BIMRL: Brain Inspired Meta Reinforcement Learning Seyed Roozbeh Razavi Rohani, Saeed Hedayatian, Mahdieh Soleymani Baghshah | L4–5 Advanced | arxiv-nonexclusive | link only | — | arxiv |
| BIOL 250: Human Anatomy Yancy Aquino | L1–3 Foundational | CC-BY-NC-SA | mirrored | 826 pp. | libretexts |
| Biologically Motivated Distributed Designs for Adaptive Knowledge Management Luis M. Rocha, Johan Bollen | L4–5 Advanced | Licence unknown | link only | — | arxiv |
| Biology | L1–2 Foundational | CC-BY | mirrored | 1,480 pp. | openstax |