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Posts

September 19, 2014

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6:30 AM | 5276
5276 = 2 x 2 x 1319.5276 is the number of binary strings of length 14 with no substrings equal to 0000 or 0010 (A164387).5276 is a number n such that n - 3, n + 3, and n + 5 are all primes (A144842).5276 is the number of moves needed to solve the 4-peg Tower of Hanoi puzzle with 22 disks (A160002).5276 cannot be written as a sum of three squares.Source: OEIS
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2:00 AM | Septembre, 3ème défi
Chaque semaine, un défi du calendrier mathématique 2014... - Défis du Calendrier Mathématique 2014 / Carrousel

September 18, 2014

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8:53 PM | CNSF statement on Senate introduction of America Competes Act
From CNSF:  The Coalition for National Science Funding (CNSF) thanked Chairman Jay Rockefeller and his colleagues on the Senate Commerce, Science, and Transportation Committee for introducing legislation for reauthorization of the America COMPETES Act. CNSF states that it is pleased with the proposed five-year budget growth for the National Science Foundation (NSF), which acknowledges the importance of [...]
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7:02 PM | September 18, 2014
Solution at the bottom of this page.Like this problem? Try our Contest Problem Book series!Exercise your mind daily with a problem from the AMC-8, AMC-10, or AMC-12, provided by Mathematical Association of America's American Mathematics Competitions.
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3:25 PM | [DMANET] CSR 2015: First Call for Papers
(apologies if you receive multiple copies)CSR-2015: First Call for PapersThe 10th International Computer Science Symposium in RussiaJuly 13-17, 2015, Listvyanka (Lake Baikal), Russiahttp://logic.pdmi.ras.ru/csr2015In partnership with European Association for Theoretical Computer ScienceProgram Committee Chair: Lev Beklemishev (Steklov Inst./Moscow)Program Committee: Eric Allender (Rutgers) Sergei Artemov (U. of New York) Andrei Bulatov (Simon Fraser U.) Harry Buhrman (U. of Amsterdam) Nachum […]
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2:43 PM | Welcome to (Graduate) School
The Chronicle of Higher Education just published a great note with tips and advice for folks entering graduate school. (Thanks to Jamylle Carter for sharing!) The tips apply equally well to undergraduate students, and are great for us all to … Continue reading →
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12:52 PM | Cell phone plans
Its time to go get the latest iPhone.  Which of the above plans will you choose?  Should you sign a 2-year contract on one of the above plans to get the iPhone for $200?  Or should you go through T-Mobile,…Read more →
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7:00 AM | 1796
1796 =  2 x 2 x 449.1796 is the palindrome 2110112 in base 3 (A043002).1796 is the number of lines through exactly 10 points of a 52 x 52 grid of points (A018817).1796 is the sum of 11 nonzero 8th powers (A003389).1796 has a representation as a sum of two squares: 1796 = 142 + 402.1796 divides 674 - 1.In the year 1796, Carl Friedrich Gauss proved that a regular 17-gon can be constructed using only compass and straightedge.Source: OEIS
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5:00 AM | Les mathématiques peuvent-elles jouer un rôle dans l'éducation à l'égalité ?
En juin 2014, l'abandon de l'expérience des ABCD de l'égalité menée durant l'année 2013-2014 devant plus de 600 classes, est annoncé par le ministre de l'Éducation nationale. - Le débat du 18...

September 17, 2014

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6:10 PM | Professional Development Luncheon Featured Robert Rodriguez of SAS Institute
Robert N. Rodriguez, senior director of statistical research and development at SAS Institute in Cary, North Carolina, spoke to the SAMSI postdoctoral fellows at a professional development luncheon today. Dr. Rodriguez is responsible for the development of statistical software, including … Continue reading →
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4:31 PM | NSF Secure & Trustworthy Cyberspace solicitation and joint program with US-Israel BSF
(1) The new NSF Secure and Trusthworthy Cyberspace (SaTC) solicitation has been released.  Note that Frontiers (up to $10M) have been replaced by Large (up to $3M) proposals.  The submission deadlines are: Small: January 14, 2015 Medium: November 10, 2014 Large: November 20, 2014 Education:    December 19, 2014 (2) NSF and the US-Israel Binational Science Foundation […]
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3:13 PM | State of the Union
Lately I’ve been interested in textual data, which has opened a whole new world of things to think – and write – about. One interesting thing about text data is that the entire world of written word becomes your analytic garden. While exploring this garden, I thought it would be interesting
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2:10 PM | Recap: Workforce STEMtistics
In case you don't follow us on Twitter (you really should!), CTEq just wrapped up an exciting STEMtistics campaign focused on the past, present, and future of the STEM workforce.  STEMtistics are shareable facts that are great for use in presentations, on social media, and even on your website to help you make the case for STEM.Tags:  STEMtistics, jobs & workforce
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11:00 AM | September 17, 2014
Solution at the bottom of this page.Like this problem? Try our Contest Problem Book series!Exercise your mind daily with a problem from the AMC-8, AMC-10, or AMC-12, provided by Mathematical Association of America's American Mathematics Competitions.
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7:00 AM | 3810
3810 = 2 x 3 x 5 x 127.3810 is the number of ways to place a non-attacking white and black pawn on a 9 x 9 chessboard (A035290).3810 is a sum of primes between successive pairs of twin primes (A078731).3810 in base 6 and base 9 both use the same set of digits {0, 2, 3, 5} (A037436).3810 divides 196 - 1.Source: What's Special About This Number?
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5:00 AM | Lurie and Zhang Named MacArthur Fellows
Jacob Lurie (left), Harvard University, and Yitang Zhang (right), University of New Hampshire, are among the 21 people in the 2014 class of MacArthur Fellows. Each will receive a five-year grant of $625,000. (Photos courtesy of the MacArthur Foundation.) Lurie has done transformational work in higher category theory and topology, as exemplified by his proof of the cobordism hypothesis ("On the Classification of Topological Field Theories," Current Developments in Mathematics, […]

September 16, 2014

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6:32 PM | [DMANET] faculty positions in combinatorics and optimization (Waterloo)
================================================================== FACULTY POSITIONS IN COMBINATORICS AND OPTIMIZATION UNIVERSITY OF WATERLOO The Department of Combinatorics and Optimization (http://math.uwaterloo.ca/co) at the University of Waterloo invites applications for one or more open rank, tenure-track or tenured faculty positions. Applicants should have research interests in one of the following areas: Algebraic Combinatorics, Continuous Optimization, Cryptography, Discrete […]
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5:30 PM | [DMANET] WALCOM 2015: Submission Deadline Extension
[Apologies for cross posting] Submission Deadline Extension 9th International Workshop on Algorithms and Computation (WALCOM 2015) February 26- 28, 2015, Dhaka, Bangladesh http://www.buet.ac.bd/cse/walcom2015/ __________________________________________________________________________ SUBMISSIONS SERVER IS OPEN ______________________________ ------------------------------ Extended Submission deadline: September 25, 2014 Submission server: […]
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2:50 PM | Celebrate chance, coincidence and unlikelihood this Friday – Huntrodd's Day!
Mr and Mrs Huntrodd were both born on the same day — 19 September 1600. That's quite a coincidence isn't it? (See here just how much of a coincidence this is.) What's even more of a coincidence is that they both died, within 5 hours of each other, on the same day too, which was… drum roll please… 19 September 1680! This seems very surprising.read more
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1:52 PM | [DMANET] IFIP/IEEE IM 2015 - Submission deadline extended to September 30, 2014
IFIP/IEEE IM 2015 - Submission deadline extended to September 30, 2014 ************************************************************************************ CFP IFIP/IEEE IM 2015 The 14th IFIP/IEEE International Symposium on Integrated Network Management Ottawa, Ontario, Canada, 11-15 May 2015 http://www.ieee-im.org/ Paper Submission Date: September 30, 2014 (Extended) "Integrated Management in the Age of Big […]
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11:59 AM | Fall equinox
Tuesday, September 23, 2013 is the Autumnal Equinox.  It is the time of year when the imaginary plane that might pass through the Earth’s Equator would also travel through the center of the Sun.  At this auspicious moment the number…Read more →
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11:30 AM | CTEq Celebrates Four STEMtastic Years!
Today is the fourth anniversary of Change the Equation’s launch and we’ve got a lot to celebrate.Since 2010, CTEq member companies have been working alongside us to improve STEM literacy across the country.  Here are a few of our exciting milestones:Tags:  Commitment to Excellence, Vital Signs, STEMworks
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11:00 AM | September 16, 2014
Solution at the bottom of this page.Like this problem? Try our Contest Problem Book series!Exercise your mind daily with a problem from the AMC-8, AMC-10, or AMC-12, provided by Mathematical Association of America's American Mathematics Competitions.
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9:17 AM | CBMS National Forum
The Conference Board of the Mathematical Sciences (CBMS) National Forum will be at the Hyatt Regency Hotel in Reston, Virginia, October 5–7. The focus and theme will be on building student success in the first two years of college math. This will continue and expand the work begun at our previous national forums. These previous four forums have focused upon K–12 mathematics education and the lifelong education of K–12 teachers. Register by September 25!
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7:00 AM | 9931
9931 is a prime number.9929 and 9931 form a twin prime pair. 9931 is the larger of the greatest twin prime pair with four digits (A114429).9931 and its reversal, 1399, are both primes (A101782).9931 is a prime with 10 as the smallest positive primitive root (A061323).9931 is a prime p such that p - 2 and p3 - 2 are also prime (A240124).9931 is a prime that is the sum of 8 but no fewer squared primes (A183216).Source: OEIS

September 15, 2014

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11:21 PM | [DMANET] Upcoming Deadline: Simons-Berkeley Summer Research Fellowships in Cryptography
This is a reminder of the upcoming application deadline for Simons-Berkeley Summer Research Fellowships in Cryptography. The original announcement is repeated below. Alistair Sinclair Associate Director, Simons Institute for the Theory of Computing ------------------------------------------- The Simons Institute for the Theory of Computing at UC Berkeley invites applications for Research Fellowships for the research program on Cryptography that will take place in Summer, 2015. These […]
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8:35 PM | [DMANET] postdoctoral positions at LIAFA, Paris, France
The Algorithms and Complexity group of LIAFA (CNRS and University Paris Diderot), Paris, France, is seeking excellent candidates for one or more postdoctoral positions in classical and quantum computing. Topics of interest include (but are not limited to): algorithms, streaming algorithms, approximation algorithms, online algorithms, communication complexity, cryptography, computational game theory, quantum computing, computational applications of logic, randomness in computing, […]
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4:46 PM | Math Problem Solving
The  purpose of this column is to talk about the weekly math puzzle night dinners run by myself and Professor Palsson, and to invite you to join us for this and other related activities. Here’s a quick summary of problem solving activities here; for more information or to be added to the email lists, contact me
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2:30 PM | Phillip Griffiths: Beauty, truth and being practical
Marianne Freiberger The winner of the 2014 Chern medal tells us about beauty in maths, the twists and turns of mathematical history, and his work for the maths community. Phillip Griffiths.read more
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2:18 PM | [DMANET] Deadline Extension (19 September 2014) for the 8th International Conference on Performance Evaluation Methodologies and Tools - VALUETOOLS2014
*** DEADLINE EXTENSION *** The submission deadline for regular papers has been extended to 19 September, 2014 ----------- 8th International Conference on Performance Evaluation Methodologies and Tools VALUETOOLS 2014 In-cooperation with ACM SIGMETRICS 9-11 December, 2014 Bratislava, Slovakia CALL FOR PAPERS SCOPE ----------- ValueTools focuses on methodologies and practices in modeling, performance evaluation and optimization of complex systems, gathering researchers from different […]
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8,109 Results