Skip to main content
Graph
Search
fr
en
Login
Search
All
Categories
Concepts
Courses
Lectures
MOOCs
People
Quizes
Exercises
Publications
Startups
Units
Show all results for
Home
Lecture
Long Exact Sequence of Ext-Modules
Graph Chatbot
Related lectures (56)
Group Cohomology
Covers the concept of group cohomology, focusing on chain complexes, cochain complexes, cup products, and group rings.
Algebraic Kunneth Theorem
Covers the Algebraic Kunneth Theorem, explaining chain complexes and cohomology computations.
Cohomology: Cross Product
Explores cohomology and the cross product, demonstrating its application in group actions like conjugation.
Bar Construction: Homology Groups and Classifying Space
Covers the bar construction method, homology groups, classifying space, and the Hopf formula.
Cohomology Groups: Hopf Formula
Explores the Hopf formula in cohomology groups, emphasizing the 4-term exact sequence and its implications.
Ideals and Representations
Log in to Mediaspace to watch this video
Covers ideals, representations, modules, and maximal ideals in associative algebras.
Homomorphisms and Projective Resolutions
Log in to Mediaspace to watch this video
Covers homomorphisms, projective modules, and resolutions in chain complexes.
Zig Zag Lemma
Log in to Mediaspace to watch this video
Covers the Zig Zag Lemma and the long exact sequence of relative homology.
Properties of Finite Dimensional Algebras
Log in to Mediaspace to watch this video
Covers the properties of finite dimensional algebras and non-semisimple representations.
Decomposition of Group Algebras
Log in to Mediaspace to watch this video
Covers examples of group algebra decomposition and simple infinite-dimensional algebras.
Rings and Modules: Color Codes and Homological Algebra
Log in to Mediaspace to watch this video
Covers rings and modules, emphasizing color codes and homological algebra concepts.
Group Algebra: Maschke's Theorem
Log in to Mediaspace to watch this video
Explores Wedderburn's theorem, group algebras, and Maschke's theorem in the context of finite dimensional simple algebras and their endomorphisms.
Simplicial and Singular Homology Equivalence
Log in to Mediaspace to watch this video
Demonstrates the equivalence between simplicial and singular homology, proving isomorphisms for finite s-complexes and discussing long exact sequences.
Homological Algebra: Basics and Applications
Log in to Mediaspace to watch this video
Covers the basics of Homological algebra, focusing on Ext modules and their significance in modern mathematics.
Dimension Theory of Rings
Log in to Mediaspace to watch this video
Explores the dimension theory of rings, focusing on chains of ideals and prime ideals.
Long Exact Sequence of Ext-Modules
Log in to Mediaspace to watch this video
Covers the construction of long exact sequences of Ext-modules and provides illustrative examples.
Simple Modules: Schur's Lemma
Log in to Mediaspace to watch this video
Covers simple modules, endomorphisms, and Schur's lemma in module theory.
Linear Algebra: Modules and Endomorphisms
Log in to Mediaspace to watch this video
Explores modules, endomorphisms, and linear applications in algebra, including A-modules and commutative rings.
Homology of Projective Space
Log in to Mediaspace to watch this video
Covers the homology of projective space, focusing on cohomology and exact sequences.
Mayer-Vietoris Sequence
Log in to Mediaspace to watch this video
Explores the Mayer-Vietoris sequence, exact homomorphisms, embedded spheres, and path-connected spaces.
Previous
Page 1 of 3
Next