Knot invariants | Links (knot theory)

Link group

In knot theory, an area of mathematics, the link group of a link is an analog of the knot group of a knot. They were described by John Milnor in his Ph.D. thesis,. Notably, the link group is not in general the fundamental group of the link complement. (Wikipedia).

Link group
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Joining LinkedIn Groups

In this video, you’ll learn how to join groups on LinkedIn. Visit https://edu.gcfglobal.org/en/linkedin/keeping-up-with-linkedin/1/ for our text-based lesson. We hope you enjoy!

From playlist LinkedIn

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Symmetric Groups (Abstract Algebra)

Symmetric groups are some of the most essential types of finite groups. A symmetric group is the group of permutations on a set. The group of permutations on a set of n-elements is denoted S_n. Symmetric groups capture the history of abstract algebra, provide a wide range of examples in

From playlist Abstract Algebra

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Cyclic Groups (Abstract Algebra)

Cyclic groups are the building blocks of abelian groups. There are finite and infinite cyclic groups. In this video we will define cyclic groups, give a list of all cyclic groups, talk about the name “cyclic,” and see why they are so essential in abstract algebra. Be sure to subscribe s

From playlist Abstract Algebra

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Lie Groups and Lie Algebras: Lesson 16 - representations, connectedness, definition of Lie Group

Lie Groups and Lie Algebras: Lesson 16 - representations, connectedness, definition of Lie Group We cover a few concepts in this lecture: 1) we introduce the idea of a matrix representation using our super-simple example of a continuous group, 2) we discuss "connectedness" and explain tha

From playlist Lie Groups and Lie Algebras

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Quotient group example

Now that we know what a quotient group is, let's take a look at an example to cement our understanding of the concepts involved.

From playlist Abstract algebra

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Group theory 15:Groups of order 12

This lecture is part of an online mathematics course on group theory. It uses the Sylow theorems to classify the groups of order 12, and finds their subgroups.

From playlist Group theory

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Group Definition (expanded) - Abstract Algebra

The group is the most fundamental object you will study in abstract algebra. Groups generalize a wide variety of mathematical sets: the integers, symmetries of shapes, modular arithmetic, NxM matrices, and much more. After learning about groups in detail, you will then be ready to contin

From playlist Abstract Algebra

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Dihedral Group (Abstract Algebra)

The Dihedral Group is a classic finite group from abstract algebra. It is a non abelian groups (non commutative), and it is the group of symmetries of a regular polygon. This group is easy to work with computationally, and provides a great example of one connection between groups and geo

From playlist Abstract Algebra

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Lie Groups and Lie Algebras: Lesson 13 - Continuous Groups defined

Lie Groups and Lie Algebras: Lesson 13 - Continuous Groups defined In this lecture we define a "continuous groups" and show the connection between the algebraic properties of a group with topological properties. Please consider supporting this channel via Patreon: https://www.patreon.co

From playlist Lie Groups and Lie Algebras

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Dale Rolfsen: Braids, Orderings and Minimal Volume Cusped Hyperbolic 3-Manifolds

Dale Rolfsen, University of British Columbia Title: Braids, Orderings and Minimal Volume Cusped Hyperbolic 3-Manifolds The orderability properties of fundamental groups of minimal volume cusped hyperbolic 3-manifolds will be explored using the theory of braids and automorphisms of free gro

From playlist 39th Annual Geometric Topology Workshop (Online), June 6-8, 2022

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Homological Algebra(Homo Alg) 5 by Graham Ellis

DATE & TIME 05 November 2016 to 14 November 2016 VENUE Ramanujan Lecture Hall, ICTS Bangalore Computational techniques are of great help in dealing with substantial, otherwise intractable examples, possibly leading to further structural insights and the detection of patterns in many abstra

From playlist Group Theory and Computational Methods

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CAT(0) cube complexes and group theory (Lecture - 1) by Michah Sageev

Geometry, Groups and Dynamics (GGD) - 2017 DATE: 06 November 2017 to 24 November 2017 VENUE: Ramanujan Lecture Hall, ICTS, Bengaluru The program focuses on geometry, dynamical systems and group actions. Topics are chosen to cover the modern aspects of these areas in which research has b

From playlist Geometry, Groups and Dynamics (GGD) - 2017

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The Quasimorphism Question - Daniel Anthony Cristofaro-Gardiner

Joint IAS/Princeton University Symplectic Geometry Seminar Topic: The Quasimorphism Question Speaker: Daniel Anthony Cristofaro-Gardiner Affiliation: University of Maryland Date: March 14, 2022 I will discuss a recent work constructing quasimorphisms on the group of area and orientation

From playlist Mathematics

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Using Canvas for Remote Teaching and Learning

Canvas features a variety of tools to support remote teaching and learning. In this video, I show real examples of how I use custom navigation, announcements, rubrics, discussions, chat, and groups to engage students, foster collaboration, and facilitate both teacher/student and student/st

From playlist Remote Teaching and Learning

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High dimensional expanders - Part 2 - Shai Evra

Computer Science/Discrete Mathematics Seminar II Topic: High dimensional expanders - Part 2 Speaker: Shai Evra Affiliation: Princeton University Date: February 16, 2021 For more video please visit http://video.ias.edu

From playlist Mathematics

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R5. Overview of Cross-Linking, Including Photo-Reactive Cross-Linking Methods

MIT 5.08J Biological Chemistry II, Spring 2016 View the complete course: https://ocw.mit.edu/5-08JS16 Instructor: Elizabeth Nolan Professor Nolan introduces crosslinking, and presents the different approaches and their strengths and limitations. License: Creative Commons BY-NC-SA More in

From playlist MIT 5.08J Biological Chemistry II, Spring 2016

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Definition of a group Lesson 24

In this video we take our first look at the definition of a group. It is basically a set of elements and the operation defined on them. If this set of elements and the operation defined on them obey the properties of closure and associativity, and if one of the elements is the identity el

From playlist Abstract algebra

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Algebraic topology: Fundamental group of a knot

This lecture is part of an online course on algebraic topology. We calculate the fundamental group of (the complement of) a knot, and give a couple of examples. For the other lectures in the course see https://www.youtube.com/playlist?list=PL8yHsr3EFj52yxQGxQoxwOtjIEtxE2BWx

From playlist Algebraic topology

Related pages

Regular homotopy | Brunnian link | Whitehead link | Borromean rings | Free product | Linking number | Free Lie algebra | Free group | Massey product | Knot (mathematics) | Link (knot theory) | Quotient group | Immersion (mathematics) | Free abelian group | Mathematics | Finite type invariant | Möbius function | Hopf link | Knot group | Fundamental group | Seifert surface | Knot theory