TOPICS

Algebra Applied Mathematics Calculus and Analysis Discrete Mathematics Foundations of Mathematics Geometry History and Terminology Number Theory Probability and Statistics Recreational Mathematics Topology

Alphabetical Index New in MathWorld

Topology

Topological Invariants

Casson Invariant
Dehn Invariant
Divisible Property
Hereditary Property
Productive Property

About MathWorld
MathWorld Classroom
Send a Message
MathWorld Book
wolfram.com

13,891 Entries
Last Updated: Mon Mar 13 2023
©1999–2023 Wolfram Research, Inc.
Terms of Use

wolfram.com
Wolfram Language
Mathematica
Wolfram Demonstrations
Wolfram for Education

Created, developed and nurtured by Eric Weisstein at Wolfram Research