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UncategorizedJuly 19, 2021

The Shortest Proof of Godel’s Incompleteness Theorems

Picture a mathematician sitting on a jury, determined to find the right verdict. A witness stands up and solemnly says: ” I swear to tell the truth, the whole truthContinue readingThe Shortest Proof of Godel’s Incompleteness Theorems

UncategorizedJune 7, 2021

Markov Chains, Mixing Times and Couplings

Say you’re shuffling a deck of cards. It’s poker night and your friends are watching with gimlet eyes to make sure you shuffle properly. Under pressure, you keep shuffling untilContinue readingMarkov Chains, Mixing Times and Couplings

UncategorizedJanuary 4, 2021

Does Biodiversity Prevent Pandemics?

I recently read the surprisingly well-written paper Impacts of biodiversity on the emergence and transmission of infectious diseases by Keesing et al. Here are some quick notes and highlights. First,Continue readingDoes Biodiversity Prevent Pandemics?

UncategorizedDecember 21, 2020

Notes on AlphaFold2

These are some cleaned-up notes based on Preetham Venkatesh’s talk to IISc Naturalists on AlphaFold2’s recent CASP win. For a basic summary of what happened, see Deepmind’s blog post AlphaFold:Continue readingNotes on AlphaFold2

UncategorizedOctober 28, 2020

Generating SARS-CoV-2 Protease Inhibitors with Variational Autoencoders

These are some thoughts I wrote up as a retrospective on https://github.com/ddhackiisc/code/blob/master/smiles-pipeline/SMILES%20VAE.ipynb, a project I worked on a few months ago. In future posts I hope to go into moreContinue readingGenerating SARS-CoV-2 Protease Inhibitors with Variational Autoencoders

UncategorizedSeptember 25, 2020

On the 2D Rotation Rounding Problem

Here’s a simple dynamical system. You start with a 2D integer vector . Now you rotate this vector around the origin by a fixed angle. This gives you a vectorContinue readingOn the 2D Rotation Rounding Problem

UncategorizedJuly 9, 2020

How Come Deep Neural Networks Generalize?

This is a short review of the paper Understanding Deep Learning Requires Rethinking Generalization by Zhang et al, published in ICLR 2017, which I wrote as part of the applicationContinue readingHow Come Deep Neural Networks Generalize?

UncategorizedJune 10, 2020

Qubits and the Kernel Trick: The power of working in a bigger space

I’ve been reading Mermin’s account of Deutsch’s Problem, and it’s given me a new insight into where the power of quantum computing comes from. If you look at the originalContinue readingQubits and the Kernel Trick: The power of working in a bigger space

UncategorizedApril 22, 2020

Book Review: T. Tembarom by Frances Hodgson Burnett

Frances Hodgson Burnett (henceforth FHB) is well known as the author of The Little Princess and The Secret Garden, which are books I vaguely remember as classics from my childhoodContinue readingBook Review: T. Tembarom by Frances Hodgson Burnett

UncategorizedSeptember 23, 2017

Indian Logic

Epistemic Status: Spitballing about deep philosophical questions A couple weeks ago, at a frisbee tournament, a teammate of mine called Deepak told me about his studies in Indian logic, byContinue readingIndian Logic

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