Alexander Gruber
Reputation
22,066
98/100 score
 Apr 14 comment Examples of mathematical results discovered “late” To wit, you may be interested to learn that in early 20th century, most of the literature follows Noether in studying "groups of operators" (what we now refer to as "group actions") rather than groups in the abstract. Even Galois was mostly concerned about the action of groups on polynomials, and spent comparatively little time developing groups abstractly. Apr 14 comment Examples of mathematical results discovered “late” @mistermarko ...I'm not sure quite how to respond to that. The English language synonym of the word "group" obviously has no effect on when group theory was developed. Do you think groups would have been discovered earlier if they were named differently? Apr 3 revised Examples of finite nonabelian groups. added 2 characters in body Mar 27 awarded Enlightened Mar 27 awarded Nice Answer Mar 21 revised Motivation for spectral graph theory. added 27 characters in body Mar 2 awarded Favorite Question Feb 28 reviewed Leave Open show by calculation that the derivative of the fermi function (logistic function) can be expressed by the function itself Feb 28 reviewed Leave Open Newton's Method and Julia sets and the Douady rabbit. What's the relation? Feb 28 reviewed Leave Open Compressing permutations Feb 19 reviewed Leave Open Probability of winning dice roll-off with a re-roll Feb 19 reviewed Close Solve the system of equation with answers as x=___+___s Feb 19 reviewed Close How would you solve this system if linear equations in 3 variables? Feb 18 awarded Enlightened Feb 18 awarded Nice Answer Feb 17 reviewed Looks OK Equations of motion into Binet's equation Feb 17 reviewed Leave Open where is the function derivable? Feb 17 reviewed Leave Open Solution of an equation with polynomial and exponential terms Feb 17 reviewed Leave Open Limit of complex exponential Feb 17 reviewed Close Explain $\tan^2(\tan^{-1}(x))$ becoming $x^2$