Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Personal Creativity
Entrepreneurship
Instructional Design
Ecology and Wildlife Conservation
The Science of Well-Being
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore Eisenstein series in a concise, self-contained overview, gaining insights into this mathematical concept and its applications.
Explore holomorphic curve counting in Calabi-Yau threefolds using HOMFLYPT skein module, examining deformation invariance and recursion relations in non-compact cases.
Explore SchNet, a deep learning architecture for modeling atomistic systems, and its applications in predicting molecular and material properties across chemical space.
Explore recent advances in positive scalar curvature metrics on manifolds and foliations, a key topic in differential geometry.
Explore Fréchet regression for analyzing gene co-expression networks using population-level single-cell data. Learn to test associations between covariance matrices and covariates.
Explore combinatorial types of polyhedra with vertices on quadrics, from Steiner's 1832 question to recent findings using ideal polyhedra in various geometries.
Explore recent advancements in geometric Langlands theory, including verified conjectures and related questions in algebraic geometry and representation theory.
Explore duality between pseudoeffective and movable cones on projective manifolds, including recent developments and connections to non-Archimedean Calabi-Yau theorem.
Explore the connection between scattering amplitudes and the Amplituhedron, a novel mathematical concept generalizing convex polytopes into Grassmannians.
Explore Ramanujan Graphs, interlacing families, and their connections to various mathematical fields. Gain insights into recent developments and open problems in graph theory.
Explore the $p$-adic local Langlands correspondence for ${\mathrm GL}_2({\mathbb Q}_p)$, focusing on geometric constructions from joint works with Dospinescu and Niziol.
Explore the precise determination of photon distribution in protons using electron-proton scattering data, enhancing our understanding of particle physics at the Large Hadron Collider.
Explore connections between $L^2$-invariants in operator algebra and entropy/mean dimension in topological dynamical systems, focusing on algebraic actions of discrete groups.
Explore innovative robotic drawing systems for large, non-planar canvases. Discover techniques like impedance control and TSP-pen art, and witness how robots mimic human artists in stroke-based drawing.
Explore mathematical theories for metamaterials, bridging quantum and classical physics to revolutionize nanotechnology and subwavelength wave manipulation.
Get personalized course recommendations, track subjects and courses with reminders, and more.