Difference between revisions of "Symmetry"

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Symmetry is a term connected to the ideas of [[Invariance]], [[Equivalence]], [[Reversible logic]], and [[Conservation]].
Symmetry (an often should be presented in its plural form [[symmetries]], as a [[namespace]] or [[wikipedia:Configuration space (mathematics)|configuration space]]) is a term connected to the ideas of [[Invariance]], [[Equivalence]], [[Reversible logic]], and [[Conservation]]. It is studied by a branch of [[abstract algebra]], called:[[Group Theory]]. On Page 180 of Lawvere's book<ref>{{:Book/Conceptual Mathematics/OnSymmetries}}</ref>, Felix Klein of Klein bottle suggested a way to study objects using symmetries. Sir William Hamilton also had a one-pager memo that relates [[wikipedia:Quaternion|quaternion]] with the subject of [[symmetry]]<ref>{{:Paper/Memorandum respecting a new System of Roots of Unity}}</ref>. This idea was later discussed in the paper on [[Paper/General Theory of Natural Equivalences|General Theory of Natural Equivalences]] as the foundational paper<ref>{{:Paper/General Theory of Natural Equivalences}}</ref> of [[Category Theory]]. It is important to know that [[Category Theory]] is a generalized form of [[abstract algebra]], which includes [[Group Theory]].
 
{{:Meta-Rule/Composition}}
 
Given the [[Meta-Rule|meta-rule]] about symmetry, one may consider applying these properties to the manipulation of functions. More specifically, one may utilize some functional programming language to automate the transformation operations to manipulate functions.
 
==Functions as symmetrical objects==
This can be implemented using a combination of JavaScript, Cascading Style Sheets, and HTML as a combination of functional programming language, declarative rule engine, and a display mark-up rendering formatting specification language. It would be particularly convenient to manage the interactions of these three kinds of languages using MediaWiki's existing infrastructure.  


<noinclude>
<noinclude>
=The most excellent tutorial video on Symmetry so far=
=A few excellent tutorial videos on Symmetry so far=
{{#ev:youtube|EsBn7G2yhB8}}
{{:Video/Symmetries, groups and actions}}
{{:Video/Galois theory explained simply}}


=References=
=References=
<references/>
[[Category:Invariance]]
[[Category:Invariance]]
==Related Pages==
{{#ask: [[Category:Symmetry]]
|format=category
}}
[[Category:Symmetry breaking]]
[[Category:Closure]]
[[Category:Algebra of Systems]]
</noinclude>
</noinclude>

Latest revision as of 02:56, 28 December 2022

Symmetry (an often should be presented in its plural form symmetries, as a namespace or configuration space) is a term connected to the ideas of Invariance, Equivalence, Reversible logic, and Conservation. It is studied by a branch of abstract algebra, called:Group Theory. On Page 180 of Lawvere's book[1], Felix Klein of Klein bottle suggested a way to study objects using symmetries. Sir William Hamilton also had a one-pager memo that relates quaternion with the subject of symmetry[2]. This idea was later discussed in the paper on General Theory of Natural Equivalences as the foundational paper[3] of Category Theory. It is important to know that Category Theory is a generalized form of abstract algebra, which includes Group Theory.

Symmetries as the first Meta-Rule

According to Mathemaniac, symmetries can be thought of as mathematical operands that gets to be manipulated through some operations that preserves the properties of being symmetrical. These four most general properties are:

  1. Closure: Symmetrical operations on symmetries always create symmetries
  2. Associativity: Symmetries composition with symmetries are symmetries Associative
  3. Identity/Unit: Doing nothing is a symmetrical operation
  4. Inverse Exists: Symmetrical operations can be undone, and returns to the original symmetry.

A mathematical treatment of this subject was explained by Norm Wilberger in a video[4].


Given the meta-rule about symmetry, one may consider applying these properties to the manipulation of functions. More specifically, one may utilize some functional programming language to automate the transformation operations to manipulate functions.

Functions as symmetrical objects

This can be implemented using a combination of JavaScript, Cascading Style Sheets, and HTML as a combination of functional programming language, declarative rule engine, and a display mark-up rendering formatting specification language. It would be particularly convenient to manage the interactions of these three kinds of languages using MediaWiki's existing infrastructure.


A few excellent tutorial videos on Symmetry so far

Cheung, Trevor (Jul 9, 2021). Chapter 1: Symmetries, Groups and Actions - Essence of Group Theory. local page: Mathemaniac. 


Galois Theory provides a computational framework for studying symmetry. |Ct2fyigNgPY}}


References

  1. Lawvere, William; Schanuel, Stephen (January 8, 2009). Conceptual Mathematics_A First Introduction to Categories (2nd ed.). local page: Cambridge University Press. p. 180. ISBN 978-0521719162. 
  2. Sir William Rowan Hamilton (1856). "Memorandum respecting a new System of Roots of Unity" (PDF). Philosophical Magazine. local page. 12: 446. 
  3. Eilenberg, Samuel; Mac Lane, Saunders. "General Theory of Natural Equivalences". Transactions of the American Mathematical Society (Vol. 58, No. 2 (Sep., 1945), ed.). local page: American Mathematical Society: 231-294. 
  4. Wildberger, Norman J. (Nov 24, 2021). A (somewhat) new paradigm for mathematics and physics. local page: Insights into Mathematics. 

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