Grothendieck on being alone. Link to the writing: Link. Read more 23 Feb 2026 - less than 1 minute read
Ref: “Introductory Real Analysis” by Kolmogorov, Fomin. Link to Stackexchange post: Link. Def [Nowhere dense sets] Let ${ (X, d) }$ be a metric space. Let ${ A \subseteq X . }$ We say ${ A }$ is nowhere dense if for every open ball ${ B }$ the set ${ A \cap B }$ is not dense in ${ B . }$ Let ${ (X, d) }$ be a complete metric space. How la... Read more 22 Feb 2026 - 2 minute read
Ref: Amazon Coursera Junior Software Developer Course. Link to the course: Link. ROUGH NOTES (!) Updated: 21/2/26 Course-1. Software Development Link to the course: Link. Java is a versatile, fast, and reliable programming language. It powers many things, from apps on your phone to big banks that manage your money. In this course we will... Read more 21 Feb 2026 - 2 minute read
Updated: 22/2/26 Ref: Functional Analysis lectures by Casey Rodriguez. Lecture on the Open Mapping Theorem. Link to the lecture: Link. “Introductory Functional Analysis” by Kreyszig. Let ${ B _1, B _2 }$ be Banach spaces. Let ${ T \in \mathcal{B}(B _1, B _2) }$ be a continuous linear operator. Suppose ${ T }$ is biject... Read more 19 Feb 2026 - 5 minute read
Ref: UPenn Coursera courses on Business. Link to UPenn Coursera page: Link. Link to UPenn MBA curriculum: Link. Link to UPenn Finance courses: Link. ROUGH NOTES (!) Updated: 23/2/26 Course-2: Introduction to Corporate Finance Instructor: Prof. Michael Roberts. Book: “Corporate Finance” by Berk, DeMarzo. Time Value of Money. Link to off... Read more 16 Feb 2026 - less than 1 minute read