Blog (mostly math)

Business-2 Finance-1

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: 16/2/26 Course-1: Introduction to Finance Instructor: Prof. Jessica Wachter. Sections: Net Present Value; Fixed Income Valuation; Equity Valuation; NPV vs IRR; T... Read more

AI-1 Data Analytics

Ref: Deeplearning.ai Coursera courses on Machine Learning. Link to Deeplearning.ai Coursera page: Link. Link to Stanford AI curriculum: Link. ROUGH NOTES (!) Updated: 16/2/26 Data Analytics Specialization Link to Data Analytics Courses: Link. Read more

Absolute Convergence

Ref: “Introduction to Hilbert Spaces” by Debnath, Mikusinski. Note that in ${ \mathbb{R} , }$ convergence of ${ \sum _{j = 1} ^{\infty} \vert x _j \vert }$ implies convergence of ${ \sum _{j = 1} ^{\infty} x _j . }$ Q) What are the normed spaces in which convergence of ${ \sum _{j = 1} ^{\infty} \lVert x _j \rVert }$ implies convergence of ${ ... Read more

Business-1 Microeconomics

Ref: UPenn Coursera courses on Business. Link to UPenn Coursera page: Link. ROUGH NOTES (!) Updated: 13/2/26 Link to UPenn MBA curriculum: Link. Course-1: Microeconomics Link to Coursera courses: Link, Link. Course-1a. Microeconomics: The power of markets Instructor: Prof. Rebecca Stein. Sections for 1a: Opportunity cost; Scarcity; T... Read more

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Life is the most interesting manifestation of matter. Why did matter organise into life? Read more