Group Action -
: Used to describe the laws of symmetry in particle physics and quantum mechanics, such as generating Bell inequalities [20].
When studying an action, mathematicians typically look for two things: : The set of all places a specific element can be moved to by the group. If the group can move group action
, and doing this repeatedly respects the group’s internal multiplication [17]. 2. Common Examples : Used to describe the laws of symmetry
: Group actions are a candidate for post-quantum secure cryptography because they can provide structure that is resilient against attacks like Shor's algorithm [13]. Internal Actions : Any group can act on
: A group of invertible matrices can act on a vector space through matrix-vector multiplication [14]. Internal Actions : Any group can act on itself via conjugation ( ) or left multiplication ( 3. Key Concepts in Group Actions
Group actions appear across various fields of science and math: : The symmetric group Sncap S sub n acts on the set by swapping or rearranging the elements [14].