Welcome!

Hey there, I’m Andrei Betlen, the author of this blog. I love learning more about computer science, mathematics, and business and I hope to share some of what I learn here and I hope it’s valuable for someone.

Free Courses and Resources

I’m a big fan of self-directed learning. Here are some free courses and books I really enjoyed and highly recommend.

Mathematics

• Thomas Judson Abstract Algebra: Theory and Applications
• Victor Shoup A Computational Introduction to Number Theory and Algebra

Deep Learning

• Stanford CS231n Winter 2016: Convolutional Neural Networks for Visual Recognition

Cryptography

• Dan Boneh and Victor Shoup A Graduate Course in Applied Cryptography
• Dan Boneh’s Cryptography I Course on Coursera