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
Data Analysis
Graphic Design
Serverless Computing
Exploring Play: The Importance of Play in Everyday Life
Learning How to Learn: Powerful mental tools to help you master tough subjects
Know Thyself - The Value and Limits of Self-Knowledge: The Examined Life
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore a wide range of free and certified Graph theory online courses. Find the best Graph theory training programs and enhance your skills today!
Explore side-channel attack theory, evaluation methods, and countermeasures in cryptography, focusing on masking techniques and optimization strategies.
Exploring galaxy merger reconstruction using generative graph neural networks, advancing our understanding of galaxy formation and evolution through innovative machine learning techniques.
Explore optimal transport reconstruction and peaks theory for energy in cosmic web evolution, connecting galaxy properties to cosmology and structure formation.
Explore integrable domain walls in ABJM theory with Charlotte Kristjansen. This talk delves into recent advances in mathematical physics, condensed-matter physics, and string theory, focusing on integrable models and structures.
Explore advances in High Energy Physics theory with Lian-Tao Wang's talk on AF Theory at the 2022 Snowmass Theory Frontier Conference, covering particle, string, and cosmological theories.
Explore color confinement, flux tubes, and lattice simulations in non-Abelian gauge theories. Gain insights from experts on this fundamental physics phenomenon and its implications.
Explores mean string field theory and lower critical dimension in color confinement, focusing on non-Abelian gauge theories, flux tubes, and large N methods in fundamental physics.
Explores dynamical mean-field theory in non-equilibrium many-body systems, focusing on aging, glassy dynamics, and high-dimensional chaos. Discusses universal aspects and novel phases of matter far from equilibrium.
Explore spacetime, black holes, and quantum information theory with physicist Veronika Hubeny. Delve into gauge/gravity duality to uncover the fundamental nature of our universe.
Explore twisted triple product periods, singular moduli, and algebraic/analytic proofs in RM theory. Delve into Heka analytic family, nonsplit RM singular moduli, and DV1 conjectures.
Explore arithmetic statistics and Iwasawa theory, covering key concepts like the mortal weight theorem, Iwasawa conjecture, and Greenberg Theorem in this advanced number theory seminar.
Explore chromatic symmetric functions of Dyck paths and q-rook theory, delving into combinatorial algebra and algebraic combinatorics concepts like APA identity and q-rook identity.
Explore advanced topics in set theory with expert speakers, covering topological generalizations, compact-valued functions, countable models, torus flows, and infinitesimals in probability theory.
Explore tame geometry in control theory, covering basic definitions, motivation, logic, and vector fields. Gain insights into descriptive set theory and generic structures.
Explore stable graph regularity, stability, and homogeneity in pure model theory, with insights on bipartite graphs and function control.
Get personalized course recommendations, track subjects and courses with reminders, and more.