Operations Research

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Operations Research

Mathematics Wed Dec 13 2017 00:00:38 GMT+0000 (UTC)
WHERE THE PARTY'S AT -- Scottish Caf (Polish: Kawiarnia Szkocka) in LwwOnce a sage asked why scholars always flock to the doors of the rich, whilst the rich are not inclined to call at the doors of scholars. "The scholars" he answered, "are well aware of the use of money, b
Copyright 2017 http://jtonedm.com James TaylorSAS Decision Manager is SAS platform for decision automation and is getting a significant update in December 2017. I wrote a product review of SAS Decision Manager in 2014 and a number of things have chan
Here is a different kind of The Great Convergence: when neural networks go after data structures, (hashes, etc....) and eventually database systems....The Case for Learned Index Structures by Tim Kraska, Alex Beutel, Ed H. Chi, Jeff
I have a very strict December 20 deadline (self-imposed, I missed the official one) for my ICM2018 paper. I plan to talk about three puzzles on mathematics, computation and games, and here is a draft of the first third. Corrections … Contin
The science of pure mathematics may claim to be the most original creation of the human spirit.~A N WhiteheadThe 346th day of the year; 346 is a Smith number. The sum of its digits equals the sum of the digits of its prime factors. 346 = 2 x 173 and
Here's a little gift for you!A printable DYI 2018 desk calendar with fun activities for children to complete. The activities are taken from my daughter Abby's website at Children's Best Activities :)Download the calendar here:https://www.mathmammoth.
Learn how to estimate fractions with this easy to follow lesson.
Pieter just sent me the following:Dear Igor,I have been following your blog for a couple of years now as it served as an excellent introduction to the field of CS and an active source of inspiration for new ideas. Many thanks for that! It wa
Peter Frankl (right) and Zoltan Furedi The news A new paper by Nathan Keller and Noam Lifshitz settles several open problems in extremal combinatorics for wide range of parameters. Those include the three problems we mention next. Three central open
Truths physical have an origin as divine as truths religious.~Sir David BrewsterThe 345th day of the year; 345 is the average number of squirts from a cow's udder needed to yield a US gallon of milk. *Archimedes-lab.org (I have not personally verifie
Amazon may have sent a chill through the U.S. supermarket business with its purchase of Whole Foods. But grocers also had better keep an eye on the worlds largest brick-and-mortar retailerWal-Mart Storesfor some lessons on the future of online grocer
In academic circles this is a very busy time of the year with the end of the Fall semester upon us, final exams ahead of us, and with both faculty and students finishing up numerous projects and classwork. At the same time, one needs to cele
My erstwhile employer, mentor, and dearest friend was Dennis Flanagan, who edited Scientific American for 37 years. He is the larger of the two aquatic specimens in the photograph below. One of the quirks of life with Dennis was that … Cont
Will knowledge from neuroscience inform the design of better AIs (neural nets)? These results from startup Vicarious AIsuggest that the answer is yes! (See also this company blog post describing the research.) It has often been remarked that evolved
Euclid, The Beautiful Fountain, Nuremburg, GermanyGilbert shall live, till Load-stones cease to draw,Or British Fleets the boundless Ocean awe.~John Dryden(wonder what percentage of HS science students could identify the "Gilbert" in the quote)The 34
Several people have asked me about this... what to do when a 1st grader is struggling to grasp the concept of missing numbers in addition problems, such as 3 + ___ = 8. I wrote the solution and posted it on my site... what to do when a child has a ha
When I detached the cover from my surface pro today at the start of my class I was faced with a blank screen, and multiple (and increasingly desperate) long presses of the power button had no effect. I thought I … Continue reading &#859
(Click on the comic if you can't see the full image.) (C)Copyright 2017, C. Burke. If a terrabyte has a trillion bytes, how many sides does a tarragon have? Apologies if I've done this one before. It's been "in the notebook" for ages. Come back often
Since I have been saying rather a lot about association schemes and coherent configurations lately, I thought I would mention an open problem. This is probably one for the experts, and I guess it has been ignored because of the … Continue r
Gravestone of Poincar'eOne geometry cannot be more true than another; it can only be more convenient. ~Henri PoincareThe 343rd day of the year, a Friedman number (named after Erich Friedman, as of 2013 an Associate Professo
Computation is no longer the preserve of science and engineering, so I thought I would share a simple computational literary analysis that I did with my daughter. Hannah’s favorite book is Lord of the Flies by William Golding, and as part o
When watching Brendan Frey's presentation at NIPS, I immediately thought of Hal Dietz's words :"...The Window Doesn't Close...". The title of the talk is "Why AI Will Make it Possible to Reprogram the Human Genome". Brendan mentions the work of Jenni
(Click on the comic if you can't see the full image.) (C)Copyright 2017, C. Burke. Obviously, she's already planning on what to get named after her. Ambition is good. Giovanni Ceva's birthday being today is actually coincidental to the topic coming u
Since the 1990s, the world has shipped its waste paper, discarded plastic and unwanted metals to China, where they are destined to be used as raw materials to help power the countrys export-driven manufacturing boom. In 2016, China imported about $18
AlphaZero taught itself chess through 4 hours of self-play, surpassing the best humans and the best (old-style) chess programs in the world. Chess24: 20 years after DeepBlue defeated Garry Kasparov in a match, chess players have awoken to a new revol
The Boole Window, Lincoln Cathedral. My work always tried to unite the true with the beautiful, but when I had to choose one or the other, I usually chose the beautiful.~Hermann WeylThe 342nd day of the year; is an Oblong (or promic, pronic, or heter
This is the title of a conference to be held next year (2018) from 1 to 7 July, in Pilsen, Bohemia, Czech Republic. The subtitle is “The first 50 years since Weisfeiler-Leman stabilization”, and the webpage is here. If you &#8
A quasar from the early universe could help us understand how the biggest black holes form and when the universe had its last major transformation
Do you enjoy math? I hope so! If not, the links in this post just may change your mind. Welcome to the 114th edition of the Math Teachers At Play math education blog carnival — a smorgasbord of articles by bloggers all around the internet w
So Ali Rahimi and Ben Recht received the Test of Time award for their Random Kitchen Sinks papers that we fondly like here on Nuit Blanche. The video of the talk is given by Ali and it starts at 56 minutes and 10 seconds into the video. Join the Comp
God made the integers, all else is Mans work~Leopold Kronecker The 341st day of the year; 341 is the sum of seven consecutive primes,and 341 is also the smallest number with seven representations as a sum of three positive squares (collect the whole
Some perspectives from a Berlin tech guy who has also worked in China.
A quasar from the early universe could help us understand how the biggest black holes form and when the universe had its last major transformation
(Click on the comic if you can't see the full image.) (C)Copyright 2017, C. Burke. If you're not there, you're absent. Come back often for more funny math and geeky comics.
I’m throwing this post up quickly, because time is of the essence. I had hoped someone else would do the work. If they did, please link them in the comments. As many of you know, the US House and Senate have passed revisions to the tax code
It's been two months since the last Nuit Blanche in Review (September 2017). We've had two Paris Machine Learning meetups, a two-day meeting of France is AI. Nuit Blanche featured two theses, a few job postings. While NIPS 2017 is about to start. I a
"I have finally found a subject where I do not need to memorize, but can think things out myself mathematics."~Herta Taussig Freitag (from her diary, age 12)The 340th day of the year; 340 is the sum of the first four powers of four.340 can also be wr
Congratulations is in order, because someone has just graduated from the robotics lab at England’s online grocerOcado. Theyve spent the last year and a half practicing the same routine over and over, a training regimen thats about to get ev
Be careful when nuking your breakfast. A hard-boiled egg reheated in the microwave can explode with a rush of steam and a sound as loud as a chainsaw
Today I came across a recentinterview with Ed Witten in Quanta Magazine. The article has some nice photos like the one above. I was struck by the following quote from Witten: When I was a beginning grad student, they had a series of lectures by facul
Once again, some of my favorite websites offer a seasonal selection of activities to encourage your children’s (and your own!) mathematical creativity, one for each day in the run-up to Christmas. Including an especially-tough Advent meta-p
The original purpose of our trip to China was to speak at an international workshop on Bannai-Ito theory at Zhejiang University in Hangzhou, a popular Chinese tourist destination. Hangzhou is set on an artificial (but centuries old) lake, with island
LThe Knot gate at Cambridge Math Dept separation of the observer from the phenomenon to be observed is no longer possible.~Werner HeisenbergThe 339th day of the year; the plane can be divided into 339 regions with 13 hyperbolae.There are also 339 pos
(Click on the comic if you can't see the full image.) (C)Copyright 2017, C. Burke. Just watch out for those cubics trying to come between them! Come back often for more funny math and geeky comics.
Something is tearing everything apart even faster than we thought and not even atoms will survive, never mind our picture of how the universe evolved
Teach the students you have Our job as teachers at any level is to teach the students we have. I embrace this idea from Dr Kevin Maxwell: Our job is to teach the students we have. Not the ones we … Continue reading →Teach the stud
I’ve been following Sonya’s Arithmophobia No More blog for a couple of years, and I love the work she is doing. But this month, she’s teamed up with Lacy at Play, Discover, Learn (another great blog to follow!) to offer
Phil just sent me the following:Hi Igor ....I wanted to let you know that our department (ECE at Ohio State) has an open faculty position covering the areas of image processing, MRI/fMRI, brain imaging, and neuroscience. The official job pos
“The countrys biggest grocers are increasingly demanding their suppliers deliver on time, imposing fines for late shipments as they try to keep customers satisfied and better compete with online retailers like Amazon,” reports The
Taking him for all and all, I think it will be conceded that Michael Faraday was the greatest experimental philosopher the world has ever seen.~John TyndallThe 338th day of the year; the last day of the year which will be twice a perfect square.338 i