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
IT & Networking
Management
Microsoft Excel
Ableton Live Course: Sound Production for Musicians and Artists
Medical Parasitology | 医学寄生虫学
How Things Work: An Introduction to Physics
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore stochastic gravitational wave backgrounds in multi-field inflation, examining frequency profiles and potential visibility in LISA, unlocking insights into early universe processes.
Explore species thermodynamics and black hole-tower correspondence, delving into advanced concepts in theoretical physics and cosmology.
Explore quintessence in string theory and its observational implications, bridging theoretical concepts with empirical evidence in cosmology.
Explore universal bounds on brane tension in de Sitter space using the Festina Lente conjecture, cosmic censorship, and charged black hole evolution in quantum gravity.
Explore the classification of 6D supergravity theories, examining the interplay between the Landscape and Swampland in this cutting-edge physics research.
Explore causality's role in constraining higher derivative corrections to Einstein Maxwell theory through photon scattering off charged shock waves, examining gravitational effects and IR divergences.
Explore advanced concepts in set theory, focusing on longer Prikry sequences and their implications in mathematical logic and forcing axioms.
Explore quantum gravity's constraints on effective field theories, focusing on the absence of global symmetries in consistent theories.
Explore almost disjoint families in natural models of AD+, delving into determinacy, inner models, and forcing axioms in mathematics.
Explore ladder mice in mathematics with Farmer Schlutzenberg, delving into determinacy, inner models, and forcing axioms.
Explore Martin's Maximum c*,++ in Pmax extensions of strong determinacy models, delving into advanced set theory concepts and their implications.
Explore the HOD conjecture's intricacies and its ultimate failure in set theory, delving into advanced mathematical concepts and their implications.
Explore singular cardinals, square principles, and linear orders in set theory, examining Todorcevic's result and related PCF-theoretic principles.
Explore unreachability in the second projective-like hierarchy with Derek Levinson's advanced mathematical analysis.
Explore the geometry of string comparative actions in this advanced physics lecture by Lara Anderson, delving into complex mathematical concepts.
Get personalized course recommendations, track subjects and courses with reminders, and more.