Category Archives: Uncategorized

Political thoughts from China trip

I am conflicted internally about the pros and cons of the so-called totalitarian Chinese political system. At a lunch one day one of my Australian colleagues suggested that totalitarianism has been a historical feature throughout ancient Chinese history, rather than … Continue reading

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A case calling for revocation of tenure in mathematics

Frank Calegari just wrote a blog post entitled “The ABC conjecture has (still) not been proved”. At the center of the spotlight is Mr. Shinichi Mochizuki ζœ›ζœˆζ–°δΈ€ who posted on arxiv a supposed proof of the conjecture about 5 years … Continue reading

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Random thoughts about politics I

I got cornered at a lunch conversation with some friends on issues related to North Korea. While a communist-ideology sympathizer at heart, I argued that North Korea isn’t as bad as western media has portrayed. But Daniel pointed out acrimoniously … Continue reading

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A typo in a book that cost me a day

I have been insatiably reading the computational complexity book by Sanjeev Arora and Boaz Barak, which from the table of contents and review from big guns like Avi Wigderson, Mike Sisper, seems like the holy bible and culmination of all … Continue reading

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Buggy day

Being a software engineer means that it’s a constant struggle between depression and complacence. At the peak of either extremes, there is also the need for periodic introspection. Hands-on people, as are typical of engineers, tend to be negligent of … Continue reading

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On Norbert Blum’s latest proof that P != NP

I first read about this on hacker news, which I encourage more people to subscribe for quality content in the tech/science space. Many people have raised doubts (including Scott Aaronson whose Democritus blog I used to follow) about the validity … Continue reading

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A caffeinated adventure into optimization algorithms and numerical solver libraries in python

Motivated by some optimization problem in quantitative finance as well as simple curiosity, I started looking into some word-of-mouth ML related algorithms and various useful libraries to solve large scale constrained optimization problem. Perhaps my understanding of optimization has deepened … Continue reading

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