acm-header
Sign In

Communications of the ACM

Blogroll


bg-corner

From Gödel's Lost Letter and P=NP

The Night of the Ethical Algorithm

Algorithms for the Election Michael Kearns and Aaron Roth are the authors of the book Ethical Algorithms and the The Science of Socially Aware Algorithm Design....

From Gödel's Lost Letter and P=NP

Are Black Holes Necessary?

Our congratulations on the 2020 Nobel Prize in Physics Composite crop of src1, src2 Roger Penrose, Reinhard Genzel, and Andrea Ghez have won the 2020 Nobel Prize...

From Gödel's Lost Letter and P=NP

IBM Conference on the Informational Lens

Some differences from the Computational Lens Chai Wah Wu, Jonathan Lenchner, Charles Bennett, and Yuhai Tu are the moderators for the four days of the First IBM...

From Gödel's Lost Letter and P=NP

Puzzle Reviews by a Puzzle Writer

Not puzzling reviews Princeton University Press page Jason Rosenhouse is professor in the Department of Mathematics at James Madison University. His research focuses...

From Gödel's Lost Letter and P=NP

20,000 Comments and More

With more about the Separating Words Problem I.I.T. Madras page Anoop S K M is a PhD student in the theory group of I.I.T. Madras in Chennai, India. His comment...

From Gödel's Lost Letter and P=NP

Cleverer Automata Exist

A breakthrough on the separating words problem Zachary Chase is a graduate student of Ben Green at Oxford. Chase has already solved a number of interesting problems...

From Gödel's Lost Letter and P=NP

A Brilliant Book on Combinatorics

And Razborov’s brilliant proof method Stasys Jukna is the author of the book Extremal Combinatorics With Applications in Computer Science. Today we talk about Jukna...

From Gödel's Lost Letter and P=NP

Ron Graham, 1935–2020

Ron Graham passed away, but he lives on… Cropped from tribute by Tom Leighton Ron Graham just passed away Monday at the age of in La Jolla near UCSD. Today Ken...

From Gödel's Lost Letter and P=NP

Intellectual Fireworks?

Some different ideas for marking the Fourth “Founding Frenemies” source John Adams and Thomas Jefferson did not use Zoom. Their correspondence, from 1777 up to...

From Gödel's Lost Letter and P=NP

Some Real and Some Virtual News

Gossip and more. Composite of , src1, src3 Jessica Deters, Izabel Aguiar, and Jacqueline Feuerborn are the authors of the paper, “The Mathematics of Gossip.” They...

From Gödel's Lost Letter and P=NP

Proof Checking: Not Line by Line

Proofs and perpetual motion machines Leonardo da Vinci is, of course, famous for his paintings and drawings, but was also interested in inventions, and in various...

From Gödel's Lost Letter and P=NP

The 2020 Y Prize

Can one maintain privacy while publicly congratulating? X Facemask src X, who shall go nameless here, recently won a prize for research. Today we congratulate X...

From Gödel's Lost Letter and P=NP

John Horton Conway 1937–2020

An appreciation Names for large numbers source John Horton Conway just passed away from complications of COVID-19. We are all saddened by this news, and we hope...

From Gödel's Lost Letter and P=NP

Leprechauns Stay Home

Stay safe, everyone Cropped from Floss Dance source Neil L. is a Leprechaun. He has visited me once every year since I started GLL. I had never seen a leprechaun...

From Gödel's Lost Letter and P=NP

Group Testing For The Coronavirus

Plus other mathematical ideas that may be helping History of Econ. Thought src Robert Dorfman was a professor of political economy at Harvard University, who helped...

From Gödel's Lost Letter and P=NP

The Virtue of Closed Problems

A new condition in property testing Composite crop of src1, src2 Maryam Aliakbarpour and Sandeep Silwal are PhD students at MIT. They have a joint paper titled,...

From Gödel's Lost Letter and P=NP

Dyson as a Mathematician

With a lemma from 1947 that might be useful today? Cropped from article on his letters Freeman Dyson passed away last February 28th, one day short of the leap day...

From Gödel's Lost Letter and P=NP

Reductions and Jokes

Plus a teaching idea that’s no joke? Cropped from Maths History source Emil Post was the first to use the formal notion of reduction between problems. We discussed...

From Gödel's Lost Letter and P=NP

Counting Votes By Humans

A new way to agree on calculations Cropped from ABC News source Troy Price is the Iowa Democratic Party Chair. He was in charge of Iowa’s primary vote. The vote...

From Gödel's Lost Letter and P=NP

The Halting No Go Theorem

Using the halting problem to prove positive theorems. Cropped from “Turing’s Lost Letters” source Alan Turing proved the undecidability of the Halting Problem in...
Sign In for Full Access
» Forgot Password? » Create an ACM Web Account