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Two of my goals for TheEGG this year are to expand the line up of contributors and to extend the blog into a publicly accessible venue for active debate about preliminary, in-progress, and published projects; a window into the everyday challenges and miracles of research. Toward the first goal, we have new contributions from Jill […]

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10:59 PM | NetEcon 2015

Patrick Loiseau, Adam Wierman, and I are co-chairing the 2015 NetEcon workshop, to be held in conjunction with EC and Sigmetrics at this year's FCRC in Portland. You should stop by if you are attending any of the FCRC conferences, (and submit a paper). If you haven't been to a previous iteration, this workshop brings together people interested in game theory from both the networking and theory/AI communities, so is a great place to present work that might be of interest to both
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9:00 PM | Animated Logical Graphs : 5

Re: Peirce List Discussion • Howard Pattee A computational problem is defined as a set of problem instances with specified characteristics. An algorithm solves a problem if it computes the correct answer to every problem instance in that set. The use … Continue reading →

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Sometimes there are wild beasts hiding in the tamest of rings. Let’s flush one out! Let $k$ be a field. Consider the following subring $R$ of $k[x,y]$ consisting of polynomials all of whose monomials are never of the form $x^i$ for $i\geq 1$. So $f = xy + y^2 + x^2y\in R$ but $f = […]

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6:14 PM | Ninjas

Last weekend was Francisco’s birthday party. (The actual birthday is at the end of the year, during the holidays.)

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“A rose by any other name would smell as sweet” wrote Shakespeare. Yes, but an article about the rose’s smell wouldn’t smell as sweet at all. The form of the article as a mean for disseminating research is more and more questioned. I liked Idiot things that we we do in our papers out of … Continue reading The name of the rose and the smell of the article →

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I feel I may have been a little unfair in choosing “From Work to Text” last post. In the same collection of essays, Image – Music – Text, is a much better introduction to what Barthes is known for: (post-)structuralism. … Continue reading →

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3:01 AM | 3 YEARS AGO: (JANUARY 2012) MEMORY LANE

MONTHLY MEMORY LANE: 3 years ago: January 2012. I mark in red three posts that seem most apt for general background on key issues in this blog. January 2012 (1/3) Model Validation and the LLP-(Long Playing Vinyl Record) (1/8) Don’t Birnbaumize that Experiment my Friend* (1/10) Bad-Faith Assertions of Conflicts of Interest?* (1/13) U-PHIL: “So you want to do a philosophical analysis?” (1/14) “You May Believe You […]

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10:44 PM | Trends in Reaction Network Theory

For those who have been following the posts on reaction networks, this workshop should be interesting! I hope to see you there. • Workshop on Mathematical Trends in Reaction Network Theory, 1-3 July 2015, Department of Mathematical Sciences, University of Copenhagen. Organized by Elisdenda Feliu and Carsten Wiuf. Description The workshop focusses on current and […]

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7:05 PM | Classification of Division Algebras

Notes for a talk about division algebras and their classification theory.Continue reading «Classification of Division Algebras»

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6:52 PM | 403/503 – HW4

Let and let be an matrix with real entries. Set , and suppose that . Show that is an affine space.

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My brother Dragos Buliga, a sharp film director and media producer, asked me to describe to him in lay terms what he sees in these demos pages. I came up with this. (See more at chemlambda vision page.) They are artificial microbes that can be created to make a computer do anything without knowing what … Continue reading “They are artificial microbes that can be created to make …” →

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6:00 PM | Animated Logical Graphs : 4

Re: Peirce List Discussion • Helmut Raulien Although it’s fair to say that most of my university coursework leaned to the theoretical side of things, I did cobble together a respectable enough background in computing, statistics, and industrial-organizational styles of … Continue reading →

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2:15 PM | Spam, spam, spam, spam ….

There are only two options for any blog. Allow no comments at all; or have a spam-filter. No way can you moderate by hand all the comments that arrive. For example, in the last six months — reports the plug-in … Continue reading →

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4:27 AM | Trial on Anil Potti Trial Scandal Postponed Because Lawyers Get the Sniffles (Rejected Post)

Trial in Medical Research Scandal Postponed By Jay Price DURHAM, N.C. — A judge in Durham County Superior Court has postponed the first civil trial against Duke University by the estate of a patient who had enrolled in one of a trio of clinical cancer studies that were based on bogus science. The case is […]

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(All of the math for this problem is here)My Discrete Math Honors TA Ioana showed me a Romanian Math Problem book(She is Romanian) and told the following problem:
(All ai in this post are assumed to be natural numbers)
Show that for all n ≥ 6 there exists (a1,...,an) such that 1/a12 + ... + 1/an2 = 1.
(sum of reciprocals squared)
Normally my curiosity exceeds my ego and I would look up the answer.But it was in Romanian! Normally I would ask her to read the answer to me.But I was going out […]

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4:02 PM | la tartaruga che disegna sulla sabbia

I laboratori svizzeri del programma Disney Research, dopo la ricerca sugli occhi continuano a sfornare innovazioni. In questo caso ecco un piccolo robottino a forma di tartaruga in grado di disegnare sulla sabbia varie forme e in maniera completamente autonoma, partendo da alcuni modelli caricati nella sua memoria.via Popular Science

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I’ve posted the beginnings of what I hope will become an extensive library of videos, papers, notes, and slides exploring in more detail both illustrative case studies and theoretical foundations for the universal laws and architectures I superficially referred to in my previous blog posts. For the moment, these are simply posted on dropbox, so […]

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2:30 PM | Animated Logical Graphs : 3

Re: Peirce List Discussion • Helmut Raulien I have a little more leisure now to begin the process of climbing back into the saddle, so let me see where we left off … Try looking into the article I linked … Continue reading →

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A talk for the BSU mathematics department on January 22, 2015.
Abstract: In this talk I’ll summarize my efforts to involve students in projects that replicate the math research experience. In particular I will discuss a set of projects and corresponding curriculum (adapted from another university) for Math 287. The projects require students to ask questions, formulate conjectures, investigate them in groups, and express their findings in writing. Investigations of this type are
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9:58 PM | Be smart by being systematic?

I’ve just got this notice of tomorrow’s Trinity Maths Society meeting (details of when/where at that link, if you are in Cambridge). Sounds as if it should be fascinating … Prof Tim Gowers FRS (DPMMS): “Can interesting mathematics problems be solved … Continue reading →

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by @ulaulaman a review of #Annihilator, a #cosmic #comics by Grant Morrison and Frazer Irving Rabbits are animals extremely prolific, almost legendary in their rate of reproduction, so that Leonardo Fibonacci, thanks to these cute rodents, discovered (or re-discovered) the series that bears his name: 1 1 2 3 5 8 13 21 and so on, and where each number is the sum of the previous two.However, it is astonishing to note how pervasive within nature this series of numbers is: we can find it, for […]

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9:14 PM | Teaching begins/Durham seminar

Busy week, teaching begins in Newcastle, this semester I shall be teaching MAS3111: Partial Differential Equations with Applications. I will also be giving a seminar down in Durham on Friday, as part of their numerical analysis series: https://www.dur.ac.uk/mathematical.sciences/events/seminars/?series=10

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9:03 PM | Nassim Taleb Graphic

This arrived a couple weeks ago from Nassim Taleb. Regardless of where your view falls on the black swan spectrum, I hope you'll like the graphic. One hallmark of a good graphic is that it repays careful study, as with a good map (which is a good graphic). Nassim's Genealogy certainly passes that test. I found myself thinking about its contents and assertions for a long time. (You can blow it up in your browser by clicking on it. That should do the trick, but if it's still not
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7:49 PM | Being smart, being judged smart

There’s recently been a lot of fuss (including on some philosophy blogs) about a short paper by Sarah-Jane Leslie et al., that purports to show that “women are under-represented in fields whose practitioners believe that raw, innate talent is the main … Continue reading →

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I wish I could superpose votes on Election Day. However much I agree with Candidate A about social issues, I dislike her running mate. I lean toward Candidate B’s economic plans and C’s science-funding record, but nobody’s foreign policy impresses … Continue reading →

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1:07 PM | Rob's 60th

Rob Calderbank is a mathematician of great caliber in coding and information theory, including its algebraic aspects. He is the winner of the Shannon award and the Hamming medal. Rob's 60th birthday celebration will be in La Jolla this weekend. He was a terrific mentor to me at AT&T in years long behind us, and I am looking forward to being at the celebration!

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9:51 AM | Il (non) carnevale della fisica #5

E siamo giunti, con l'ultima domenica di gennaio 2015, alla quinta edizione del (non) carnevale della fisica, appuntamento che, spero, sia atteso da sempre più lettori. L'introduzione di questa edizione è dedicata a Philipp Eduard Anton von Lenard, che ha vinto il quinto Nobel per la fisica, nel 1905, per il suo lavoro sui raggi catodici.Nato il 7 giugno del 1862, iniziò a interessarsi dei raggi catodici nel 1888. I raggi catodici sono un fascio di elettroni prodotti all'interno di un tubo […]

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Stupiti che 1 non sia primo? Scopriamo insieme perché è "solo" l'unità!Abbiamo già visto come, partendo dai numeri primi, si possa sviluppare un discorso più o meno approfondito sulle fondamenta matematiche. Altrettanto fondamentale, però, si rivela provare a rispondere alla domanda su quale sia il numero primo più piccolo. E', infatti, abbastanza noto come il numero 1 sia stato ora inserito ora escluso dalla lista dei numeri primi, ottenendo in alcuni casi lo status di più piccolo tra […]

Agargun A.G. & Fletcher C.R. (1997). The Fundamental Theorem of Arithmetic Dissected, The Mathematical Gazette, 81 (490) 53-57. DOI: http://dx.doi.org/10.2307/3618768

Crandall R. & Pomerance C.B. (2005). Primes!, Prime Numbers, Prime numbers: a computational perspective 1-82. DOI: http://dx.doi.org/10.1007/0-387-28979-8_1

Caldwell C.K. & Xiong Y. (2012). What is the smallest prime?, Journal of Integer Sequences, 15 arXiv: 1209.2007v2

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Winifred Edgerton Merrill fu la prima americana ad ottenere un dottorato in matematica presso la Columbia University nel 1886. Nella sua tesi sviluppò una rappresentazione geometrica degli infinitesimi in diversi sistemi di coordinate, utilizzando lo jacobiano per per derivare le trasformazioni tra gli integrali nei diversi sistemi.Tra matematica e astronomiaNata a Ripon, nel Wisconsin, il 24 settembre del 1862 da Emmet e Clara Edgerton, si trasferisce con la famiglia a New York intorno al […]

Kelly S.E. & Rozner S.A. (2012). Winifred Edgerton Merrill: "She Opened the Door", Notices of the American Mathematical Society, 59 (04) 504-512. DOI: http://dx.doi.org/10.1090/noti818

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Winifred Edgerton Merrill fu la prima americana ad ottenere un dottorato in matematica presso la Columbia University nel 1886. Nella sua tesi sviluppò una rappresentazione geometrica degli infinitesimi in diversi sistemi di coordinate, utilizzando lo jacobiano per per derivare le trasformazioni tra gli integrali nei diversi sistemi.Tra matematica e astronomiaNata a Ripon, nel Wisconsin, il 24 settembre del 1862 da Emmet e Clara Edgerton, si trasferisce con la famiglia a New York intorno al […]

Kelly S.E. & Rozner S.A. (2012). Winifred Edgerton Merrill: "She Opened the Door", Notices of the American Mathematical Society, 59 (04) 504-512. DOI: http://dx.doi.org/10.1090/noti818

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Direi che oggi pomeriggio è stato un bel respirare, al Palazzo Brera. Cristina Lazzeroni dell'Università di Birmingham è venuta alle 18 (come avevo scritto nel post precedente) per raccontare del bosone di Higgs, del modello standard e di materia e antimateria. E' una sperimentale presso l'esperimento LHCb al CERN, l'esperimento dedicato proprio alla ricerca su uno dei grandi misteri dell'universo: perché in esso c'è un eccesso di materia (e d'altra parte se non fosse così, non ci sarebbe […]

Aaij R., B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, J. Albrecht, F. Alessio, M. Alexander & S. Ali & (2013). First Observation of CP Violation in the Decays of B_{s}^{0} Mesons, Physical Review Letters, 110 (22) DOI: http://dx.doi.org/10.1103/physrevlett.110.221601

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Per i I cieli di Brera, il 24 settembre (domani... scusate per il ritardo nell'annuncio...) alle 18 presso la Sala delle Adunanze dell'Istituto Lombardo nel Palazzo Brera sito in via Brera 28 (Milano), si terrà la conferenza La fisica delle particelle e il Large Hadron Collider: recenti sviluppi e questioni aperte: Cristina Lazzeroni ci introdurrà alla fisica delle particelle e agli studi fatti al Large Hadron Collider del Cern di Ginevra mettendo l’accento su recenti sviluppi come la
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Aad G., J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, S. H. Abidi, M. Abolins, O. S. AbouZeid & H. Abramowicz & (2014). Measurement of the Higgs boson mass from the $H\to \gamma \gamma $ and $H\to Z{Z}^{*}\to 4\ell $ channels in $pp$ collisions at center-of-mass energies of 7 and 8 TeV with the ATLAS detector, Physical Review D, 90 (5) DOI: http://dx.doi.org/10.1103/physrevd.90.052004

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DrMathochist tweeted: @DrMathochist

"I Love You, Grim Fandango, Even if You’re Broken." http://t.co/sRs133pUp3 /cc @drskyskull

2015-01-29 18:14:41

mathhombre tweeted: @mathhombre

Nice opportunity. Teacher called me up on the ice day to talk MS #mathgame.s

2015-01-29 17:58:47

CardColm tweeted: @CardColm

RT @MGardner100th: Squaring the Square, a fresh look at a classic Scientific American column! http://t.co/xIJqHbEqNq

2015-01-29 17:56:33

gaussianos tweeted: @gaussianos

RT @eliatron: RT @eliatron: "@tocamates: Depilaciones matemáticas cc @eliatron @gaussianos @notemates @ClaraGrima http://t.co/CG5y2qEY43" J…

2015-01-29 17:54:40

musegarden tweeted: @musegarden

RT @codinghorror: What the hell have you built. http://t.co/Tq7ktgDWzD

2015-01-29 17:47:04

musegarden tweeted: @musegarden

RT @zarfeblong: “@codinghorror: What the hell have you built. http://t.co/pwuFRMwrly” I resemble only a *subset* of this diagram...

2015-01-29 17:36:28

rmathematicus tweeted: @rmathematicus

RT @dhayton: Sorry I missed this: “Artistic representations of scientists … ruined because they have been depicted as wizards.” http://t.co…

2015-01-29 17:36:23

rmathematicus tweeted: @rmathematicus

RT @dhayton: Why should @rebeccaonion be everybody’s hero? Read about the time SHE threw everything away: http://t.co/EeVMjM62KE HT @ColdWa…

2015-01-29 17:34:52

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