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BU CS has its 40th birthday event
Today, we are commemorating the 40th anniversary of the Computer Science department at Boston University and I had the honor to represent the data group as the speaker. Here’s a historical snapshot from the inaugural annual report (thanks to the department chair Abraham Matta), indicating the establishment of the Computer Science department. Steve Homer and […]
Congratulations to Mr. Kostas Sotiropoulos
Mr. Kostas Sotiropoulos, my PhD advisee, has successfully defended his thesis “Methods, Algorithms and Impossibility Results for Machine Learning on Graphs”. Defending a PhD thesis requires extensive research, critical thinking, and the ability to present and defend one’s ideas in front of a committee of experts. It is an impressive accomplishment that demonstrates Mr. Sotiropoulos’s […]
Yet another proof that primes are infinite
In CS131, we see the “Proof from the Book” due to Euclide that the number of prime numbers is infinite. Here is another favorite proof that is based on elementary facts. Suppose that is a list of all the primes. From what we have learnt about the sum of geometric progressions we know that for […]