https://theoretickles.netlify.app/categories/math/ Recent content in math on Theoretickles https://theoretickles.netlify.app/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://theoretickles.netlify.app/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo -- gohugo.io en-us Sat, 08 Mar 2025 12:03:46 +0530 https://theoretickles.netlify.app/posts/trace/ Sat, 08 Mar 2025 12:03:46 +0530 https://theoretickles.netlify.app/posts/trace/ A Prelude to this post I was introduced to the notion of the trace of a square matrix as early as the eleventh grade, but never fully appreciated the nuances attached to this seemingly innocuous concept until I took a second course in Linear algebra! Funnily, the reason I even took the second course was because I was struggling the intuition behind certain concepts such as density matrices and measurements in basic quantum computing and quantum information theory!