id
stringlengths
40
40
title
stringlengths
15
120
text
stringlengths
41
3.14k
source
stringclasses
2 values
9ebc91de356b8deeaecea727e713f60f4fa27776
alemaz teshale samuel (also known as alemaz samuel
alemaz teshale samuel (also known as alemaz samuel or almaz samuel; born 5 july 1999) is an ethiopian middle-distance runner. she was the 2018 world junior champion in the women's 1500 metres.
wikipedia
406636fd47583ea400d75a28ff1019f2ddd5add9
beatriz leonor silveira barbuy is a brazilian astrophysicist.
beatriz leonor silveira barbuy is a brazilian astrophysicist. she was described in 2009 by Época magazine as one of the 100 most influential brazilians. she is a professor at the instituto de astronomia, geofísica e ciências atmosféricas (iag) at the university of são paulo, vice-president of the international astronom...
wikipedia
de926b4cb5e81b755c22da35f10cd380acdbef11
in 2009, she was one of five winners
in 2009, she was one of five winners of the l'oréal-unesco awards for women in science, awarded for her work in physics on 5 march at a ceremony at unesco headquarters in paris. she subsequently returned to brazil to take up the post of professor at the university of são paulo.
wikipedia
e59b70f5e90145d0abedd7911e2cabfaa9615842
between 2001 and 2005, she played an important
between 2001 and 2005, she played an important role in the international program on the formation of the first stars, led by the european southern observatory (eso). this program obtained detailed information about the chemical composition of stars formed more than 10 billion years ago. she was elected president of the...
wikipedia
6146fe2249bf24227b904298a38ebe3160fb3fe2
in 1978, barbuy moved to france and began
in 1978, barbuy moved to france and began her doctoral research in roger cayrel 's group at the paris observatory. her thesis focused on the elements carbon, nitrogen and oxygen in stars with ages between zero and 12 billion years, in research which allowed reconstruction of the evolution of the quantities of these ele...
wikipedia
4f0949f097f9164ad630a29d9b36e33489119b7a
barbuy completed undergraduate and master's degrees at the
barbuy completed undergraduate and master's degrees at the university of são paulo in the early 1970s. when she considered writing a thesis in astrophysics at the time of the brazilian military government in the 1970s, it was not possible to do it in brazil: classmates and faculty at the university of são paulo were be...
wikipedia
406636fd47583ea400d75a28ff1019f2ddd5add9
beatriz leonor silveira barbuy is a brazilian astrophysicist.
beatriz leonor silveira barbuy is a brazilian astrophysicist. she was described in 2009 by Época magazine as one of the 100 most influential brazilians. she is a professor at the instituto de astronomia, geofísica e ciências atmosféricas (iag) at the university of são paulo, vice-president of the international astronom...
wikipedia
924aa1fd2cbe85d35c54b00618ff3d55492b920b
mumbai city began the season on 5 october
mumbai city began the season on 5 october 2015 against pune city, with the opening game of their league campaign. for 2nd season, nicolas anelka was announced as the marquee player as well as the manager of the club, replacing englishman peter reid. mumbai city finished their season at 6th position in isl 2015.
wikipedia
80f2c2897eb758c932372789642a5ed5a946b36a
the 2015 season is mumbai city 's 2nd
the 2015 season is mumbai city 's 2nd season in existence in the indian super league.mumbai city began the season on 5 october 2015 against pune city, with the opening game of their league campaign. for 2nd season, nicolas anelka was announced as the marquee player as well as the manager of the club, replacing englishm...
wikipedia
5c82bd827372d934da71933dc8172af75cb37afb
preußen münster also takes part in the 2012–13
preußen münster also takes part in the 2012–13 edition of the westphalia cup, having reached the second round against dsc wanne-eickel after a 5–0 win over tus hiltrup in the first round. in the round of 16, they defeated fc brünninghausen with 8–0 and progressed to the quarter-final where they won against sportfreunde...
wikipedia
fb3cfaef56a12d27ba3c6c1d4e20fdb5160255c3
the club also took part in the 2012–13
the club also took part in the 2012–13 edition of the dfb-pokal, the german cup, where it reached the second round and will face bundesliga side fc augsburg next. the club had knocked out bundesliga club werder bremen in the first round with a 4–2 victory.
wikipedia
bd85f9e2bdded74278d135cafcc1bebc7e921330
andrey rzhetsky is the edna k. papazian professor
andrey rzhetsky is the edna k. papazian professor of medicine and professor of human genetics at the university of chicago, where he is also co-chief of the section of computational biomedicine and biomedical data science. born in kazakhstan, rzhetsky was recruited to pennsylvania state university by masatoshi nei in 1...
wikipedia
a0753fb70e92b0be72c5063433d01da8ea5d05d6
andrey rzhetsky is the edna k. papazian professor
andrey rzhetsky is the edna k. papazian professor of medicine and professor of human genetics at the university of chicago, where he is also co-chief of the section of computational biomedicine and biomedical data science. born in kazakhstan, rzhetsky was recruited to pennsylvania state university (penn state) by masat...
wikipedia
89ba95b93471c31e6e9c0fcb964ba35e91c90915
in mathematical optimization, affine scaling is an algorithm
in mathematical optimization, affine scaling is an algorithm for solving linear programming problems. specifically, it is an interior point method, discovered by soviet mathematician i. i. dikin in 1967 and reinvented in the u.s. in the mid-1980s.
wikipedia
85e4186bf3cd8858886584d465f915f373712254
while easy to state, affine scaling was found
while easy to state, affine scaling was found hard to analyze. its convergence depends on the step size, β. for step sizes β ≤ 2 / 3, vanderbei's variant of affine scaling has been proven to converge, while for β > 0.995, an example problem is known that converges to a suboptimal value. other variants of the algorithm ...
wikipedia
99d1e55da09d1f22cbf15bd334271473b54c1a64
phase i, the initialization, solves an auxiliary problem
phase i, the initialization, solves an auxiliary problem with an additional variable u and uses the result to derive an initial point for the original problem. let x be an arbitrary, strictly positive point; it need not be feasible for the original problem. the infeasibility of x is measured by the vector
wikipedia
4bfe4fb843270dde069d7ee1dfe8537f92082528
formally, the iterative method at the heart of
formally, the iterative method at the heart of affine scaling takes as inputs a, b, c, an initial guess x > 0 that is strictly feasible (i.e., ax = b), a tolerance ε and a stepsize β. it then proceeds by iterating
wikipedia
ed2a578fec0a42496bc327df8c4bbcdf592ef882
these problems are solved using an iterative method,
these problems are solved using an iterative method, which conceptually proceeds by plotting a trajectory of points strictly inside the feasible region of a problem, computing projected gradient descent steps in a re-scaled version of the problem, then scaling the step back to the original problem. the scaling ensures ...
wikipedia
e3c04e2aa8a1014b82364e6e098dedf1c1d20221
several groups then independently came up with a
several groups then independently came up with a variant of karmarkar's algorithm. e. r. barnes at ibm, a team led by r. j. vanderbei at at&t, and several others replaced the projective transformations that karmarkar used by affine ones. after a few years, it was realized that the "new" affine scaling algorithms were i...
wikipedia
bb5682adbdd0be3bda02a009325febd63a9508e3
affine scaling has a history of multiple discovery.
affine scaling has a history of multiple discovery. it was first published by i. i. dikin at energy systems institute of russian academy of sciences (siberian energy institute, ussr academy of sc. at that time) in the 1967 doklady akademii nauk sssr, followed by a proof of its convergence in 1974. dikin's work went lar...
wikipedia
89ba95b93471c31e6e9c0fcb964ba35e91c90915
in mathematical optimization, affine scaling is an algorithm
in mathematical optimization, affine scaling is an algorithm for solving linear programming problems. specifically, it is an interior point method, discovered by soviet mathematician i. i. dikin in 1967 and reinvented in the u.s. in the mid-1980s.
wikipedia
49a77900942a08ba228e9172ed03b20e3afe65b5
william lloyd benson was a canadian professional ice
william lloyd benson was a canadian professional ice hockey centreman who played two nhl seasons with the new york americans, and brooklyn americans. he was born in winnipeg, manitoba. benson was the last surviving former player of the new york americans.
wikipedia
c68a6342321726a9b53c2967096ec3f5c5cb51c3
william lloyd benson (july 29, 1920 – february
william lloyd benson (july 29, 1920 – february 8, 2012) was a canadian professional ice hockey centreman who played two nhl seasons with the new york americans, and brooklyn americans. he was born in winnipeg, manitoba.
wikipedia
4b24bb027b1dab50302123f910a643176e4e2f97
aldehyde dehydrogenase 7 family, member a1, also known
aldehyde dehydrogenase 7 family, member a1, also known as aldh7a1 or antiquitin, is an enzyme that in humans is encoded by the aldh7a1 gene. the protein encoded by this gene is a member of subfamily 7 in the aldehyde dehydrogenase gene family. these enzymes are thought to play a major role in the detoxification of alde...
wikipedia
03e119fb8cc60f073de375bda1de588d694873fc
mutations in this gene cause pyridoxine-dependent epilepsy, which
mutations in this gene cause pyridoxine-dependent epilepsy, which involves a combination of various seizure types that do not respond to standard anticonvulsants, but are treatable via administration of pyridoxine hydrochloride. these pyridoxine-dependent seizures have been linked to the failure to oxidize α-aasa in pa...
wikipedia
e6cdd275f13a7831191028c7ee061407ea0bd765
antiquitin function and subcellular localization are closely linked,
antiquitin function and subcellular localization are closely linked, as it functions in detoxification in the cytosol, lysine catabolism in the mitochondrion, and cell cycle progression in the nucleus. in particular, antiquitin localizes to the mitochondria in kidney and liver to contribute to the synthesis of betaine,...
wikipedia
05b246b5bc7cbed79fd83037a4714e1e461b6baf
as a member of subfamily 7 of the
as a member of subfamily 7 of the aldehyde dehydrogenase gene family, antiquitin performs nad (p)+-dependent oxidation of aldehydes generated by alcohol metabolism, lipid peroxidation, and other cases of oxidative stress, to their corresponding carboxylic acids. in addition, antiquitin plays a role in protecting cells ...
wikipedia
105bffdf06b84c858745ad903963147fe3a0cfaf
the protein encoded by this gene can localize
the protein encoded by this gene can localize to the cytosol, mitochondria, or nucleus depending on the inclusion of certain localization sequences. the n-terminal mitochondrial targeting sequence is responsible for mitochondrial localization, while the nuclear localization signal and nuclear export signal are necessar...
wikipedia
4b24bb027b1dab50302123f910a643176e4e2f97
aldehyde dehydrogenase 7 family, member a1, also known
aldehyde dehydrogenase 7 family, member a1, also known as aldh7a1 or antiquitin, is an enzyme that in humans is encoded by the aldh7a1 gene. the protein encoded by this gene is a member of subfamily 7 in the aldehyde dehydrogenase gene family. these enzymes are thought to play a major role in the detoxification of alde...
wikipedia
0cc93e2551c01bf92147bd3370046f800299a70e
the 2019 season was djurgårdens if's 119th in
the 2019 season was djurgårdens if's 119th in existence, their 64th season in allsvenskan and their 19th consecutive season in the league. they competed in allsvenskan and the 2018–19 and 2019–20 editions of the svenska cupen. djurgården secured their 12th league title, and the first in 14 years, with a 2–2 draw away a...
wikipedia
6bb3605a68f694a18523257baf4e823e60abdd0d
djurgården secured their 12th league title, and the
djurgården secured their 12th league title, and the first in 14 years, with a 2–2 draw away at ifk norrköping in the last league game of the season after being down 0–2 at half-time, in a league battle that also featured malmö ff and hammarby if all the way to the final day.
wikipedia
be536aa1de288269ec677449a4f709a6f2e943af
the 2019 season was djurgårdens if's 119th in
the 2019 season was djurgårdens if's 119th in existence, their 64th season in allsvenskan and their 19th consecutive season in the league. they competed in allsvenskan and the 2018–19 and 2019–20 editions of the svenska cupen.
wikipedia
ef5615be521c4b955c542963de823a2e6166ec5a
bayesian model reduction is a method for computing
bayesian model reduction is a method for computing the evidence and posterior over the parameters of bayesian models that differ in their priors. a full model is fitted to data using standard approaches. hypotheses are then tested by defining one or more 'reduced' models with alternative priors, which usually – in the ...
wikipedia
1473c6cbe3af213ac25e340a18aa8e3bf1862039
bayesian model reduction has been used to explain
bayesian model reduction has been used to explain functions of the brain. by analogy to its use in eliminating redundant parameters from models of experimental data, it has been proposed that the brain eliminates redundant parameters of internal models of the world while offline (e.g. during sleep).
wikipedia
52ea50e84f6848eb23b500793092b8222d4bc52d
bayesian model reduction was subsequently generalised and applied
bayesian model reduction was subsequently generalised and applied to other forms of bayesian models, for example parametric empirical bayes (peb) models of group effects. here, it is used to compute the evidence and parameters for any given level of a hierarchical model under constraints (empirical priors) imposed by t...
wikipedia
b43b5f3316382813e6be176c57fc47ce2ca083a0
bayesian model reduction was initially developed for use
bayesian model reduction was initially developed for use in neuroimaging analysis, in the context of modelling brain connectivity, as part of the dynamic causal modelling framework (where it was originally referred to as post-hoc bayesian model selection). dynamic causal models (dcms) are differential equation models o...
wikipedia
f173b373e79016d0d7799e115623841de83899c7
the larger this ratio, the greater the evidence
the larger this ratio, the greater the evidence for the full model, which included the parameter as a free parameter. conversely, the stronger the evidence for the reduced model, the more confident we can be that the parameter did not contribute. note this method is not specific to comparing 'switched on' or 'switched ...
wikipedia
e602fb57630ccf1c51a3d67e8b69fc5bebb516f1
to assess whether the parameter contributed to the
to assess whether the parameter contributed to the model evidence, i.e. whether we learnt anything about this parameter, an alternative 'reduced' model is specified in which the parameter has a prior with a much smaller variance: e.g. p ~ 0 = n (0, 0.001 2) {\displaystyle {\tilde {p}}_{0}=n(0,0.001^{2})}. this is illus...
wikipedia
323c8c1146395b01ee8f93f0514bde06492e619a
consider a model with a parameter θ {\displaystyle
consider a model with a parameter θ {\displaystyle \theta } and gaussian prior p (θ) = n (0, 0.5 2) {\displaystyle p(\theta)=n(0,0.5^{2})}, which is the normal distribution with mean zero and standard deviation 0.5 (illustrated in the figure, left). this prior says that without any data, the parameter is expected to ha...
wikipedia
13b4887f05e5e18b80f046dbfd8a0c94ff3d5c9e
the free energy of the full model f
the free energy of the full model f {\displaystyle f} is an approximation (lower bound) on the log model evidence: f ≈ ln p (y) {\displaystyle f\approx \ln {p(y)}} that is optimised explicitly in variational bayes (or can be recovered from sampling approximations). the reduced model's free energy f ~ {\displaystyle {\t...
wikipedia
6d2d49fa29a55a9eef8b82698284d978da9ca45c
where the tilde symbol (~) indicates quantities relating
where the tilde symbol (~) indicates quantities relating to the reduced model and subscript zero – such as μ 0 {\displaystyle \mu _{0}} – indicates parameters of the priors. for convenience we also define precision matrices, which are the inverse of each covariance matrix:
wikipedia
bdb6568c5164c4436976d295830aea5e51cef377
the objective of bayesian model reduction is to
the objective of bayesian model reduction is to compute the posterior p ~ (θ ∣ y) {\displaystyle {\tilde {p}}(\theta \mid y)} and evidence p ~ (y) {\displaystyle {\tilde {p}}(y)} of the reduced model from the posterior p (θ ∣ y) {\displaystyle p(\theta \mid y)} and evidence p (y) {\displaystyle p(y)} of the full model....
wikipedia
6a64df65367bdb0ece9ffa632b66ba510d70ee2d
the second line of equation 1 is the
the second line of equation 1 is the model evidence, which is the probability of observing the data given the model. in practice, the posterior cannot usually be computed analytically due to the difficulty in computing the integral over the parameters. therefore, the posteriors are estimated using approaches such as mc...
wikipedia
8922b86392c7b1ba3ee9f9d2f7a6756f2692738d
consider some model with parameters θ {\displaystyle \theta
consider some model with parameters θ {\displaystyle \theta } and a prior probability density on those parameters p (θ) {\displaystyle p(\theta)}. the posterior belief about θ {\displaystyle \theta } after seeing the data p (θ ∣ y) {\displaystyle p(\theta \mid y)} is given by bayes rule:
wikipedia
2689fafe039ffcc0cb105a3e787c0b3addddb2f2
bayesian model reduction is a method for computing
bayesian model reduction is a method for computing the evidence and posterior over the parameters of bayesian models that differ in their priors. a full model is fitted to data using standard approaches. hypotheses are then tested by defining one or more 'reduced' models with alternative (and usually more restrictive) ...
wikipedia
73a54f4e99189c4880aa44286ebe0ac7b82c3ef1
the 2019 bill beaumont county championship division 2
the 2019 bill beaumont county championship division 2 was the 18th version of the competition that is part of the annual english rugby union county championship organised by the rfu for the tier 2 english counties. each county drew its players from rugby union clubs from the third tier and below of the english rugby un...
wikipedia
5fb0f32b820551749583e76c17caa731756d774d
promotion and relegation occurs every two seasons, with
promotion and relegation occurs every two seasons, with accumulated points taken into consideration. at the end of the 2017–18 season, durham (north) and hampshire (south) were promoted to division 1, replacing east midlands (north) and surrey (south) who dropped down into division 2. cumbria and north midlands were re...
wikipedia
23d0f43b703ad403f5d0263556be2559bfac908c
the competition format is two regional group stages
the competition format is two regional group stages divided into north and south with four teams in each group. this means that two teams in the pool had two home games, while the other two had just one. the rfu have taken fixtures from the previous year into account so that county sides that only played one home game ...
wikipedia
89f13879fec9c26df88a56189c56199bf09987c7
at the end of the group stage, leicestershire
at the end of the group stage, leicestershire were dominant in pool 1, winning all three games (albeit one which was a walkover), including an impressive win against a strong east midlands side, while surrey were equally impressive in topping pool 2, also winning three out of three. in the final, leicestershire finishe...
wikipedia
518a3d9c9d013f26e10c1164bdd3d8e00140dab5
the 2019 bill beaumont county championship division 2
the 2019 bill beaumont county championship division 2 was the 18th version of the competition that is part of the annual english rugby union county championship organised by the rfu for the tier 2 english counties. each county drew its players from rugby union clubs from the third tier and below of the english rugby un...
wikipedia
842f6f2629715f6760d4e8aae69afe909db2b517
in theoretical computer science, the algorithmic lovász local
in theoretical computer science, the algorithmic lovász local lemma gives an algorithmic way of constructing objects that obey a system of constraints with limited dependence. given a finite set of bad events {a1, ..., an} in a probability space with limited dependence amongst the ais and with specific bounds on their ...
wikipedia
814fa796c1c12388cbf3d9904150c8fd1a34b9d6
the algorithm described above lends itself well to
the algorithm described above lends itself well to parallelization, since resampling two independent events a, b ∈ a {\displaystyle a,b\in {\mathcal {a}}}, i.e. vbl (a) ∩ vbl (b) = ∅ {\displaystyle \operatorname {vbl} (a)\cap \operatorname {vbl} (b)=\emptyset }, in parallel is equivalent to resampling a, b sequentially...
wikipedia
0bc484311d24f7547a66a5652347bac4b72e154b
the algorithm is similar to walksat which is
the algorithm is similar to walksat which is used to solve general boolean satisfiability problems. the main difference is that in walksat, after the unsatisfied clause c is selected, a single variable in c is selected at random and has its value flipped (which can be viewed as selecting uniformly among only k {\displa...
wikipedia
c971423f3a5df6271eec596f5a5947e8cbc7fe1f
it starts with a random truth value assignment
it starts with a random truth value assignment to the variables x,..., x sampled uniformly at random. while there exists a clause in Φ that is unsatisfied, it randomly picks an unsatisfied clause c in Φ and assigns a new truth value to all variables that appear in c chosen uniformly at random. once all clauses in Φ are...
wikipedia
c745e8822539e3f2d8a3d4d026f94e29063a8c0d
now, define a bad event a for each
now, define a bad event a for each clause in Φ, where a is the event that clause j in Φ is unsatisfied by the current assignment. since each clause contains k literals (and therefore k variables) and since all variables are sampled uniformly at random, we can bound the probability of each bad event by
wikipedia
60c6e4390da2cad8d57e38708c9eb26c0029116a
firstly, we truncate each clause in Φ to
firstly, we truncate each clause in Φ to contain exactly k literals. since each clause is a disjunction, this does not harm satisfiability, for if we can find a satisfying assignment for the truncated formula, it can easily be extended to a satisfying assignment for the original formula by reinserting the truncated lit...
wikipedia
deeb49f1fb4782c3ed2eefd256663a0edc0b4423
this statement can be proven easily using the
this statement can be proven easily using the symmetric version of the algorithmic lovász local lemma. let x,..., x be the set of mutually independent random variables p {\displaystyle {\mathcal {p}}} which are sampled uniformly at random.
wikipedia
c452cab13bfd31e98beccaa250a35f2c34203d4e
let Φ be a cnf formula over variables
let Φ be a cnf formula over variables x,..., x, containing n clauses, and with at least k literals in each clause, and with each variable x appearing in at most 2 k k e {\displaystyle {\frac {2^{k}}{ke}}} clauses. then, Φ is satisfiable.
wikipedia
e83a5f1070e5b86a26d7aab6e2135fa0ab989907
moreover, the randomized algorithm described above resamples an
moreover, the randomized algorithm described above resamples an event a ∈ a {\displaystyle a\in {\mathcal {a}}} at most an expected 1 d {\displaystyle {\frac {1}{d}}} times before it finds such an evaluation. thus the expected total number of resampling steps and therefore the expected runtime of the algorithm is at mo...
wikipedia
d2c1b7d3c95783bb746390113e4d56eb54162e7e
let p {\displaystyle {\mathcal {p}}} be a finite
let p {\displaystyle {\mathcal {p}}} be a finite set of mutually independent random variables and a {\displaystyle {\mathcal {a}}} be a finite set of events determined by these variables as before. if the above three conditions hold then there exists an assignment of values to the variables p {\displaystyle {\mathcal {...
wikipedia
41e0a8778ba5f61908db4c53f66c3a3fddc21d91
let p {\displaystyle {\mathcal {p}}} be a finite
let p {\displaystyle {\mathcal {p}}} be a finite set of mutually independent random variables in the probability space Ω. let a {\displaystyle {\mathcal {a}}} be a finite set of events determined by these variables. if there exists an assignment of reals x: a → (0, 1) {\displaystyle x:{\mathcal {a}}\to (0,1)} to the ev...
wikipedia
332239fd84c06c6ba42a39444f0fa4d5df8b4493
the algorithm then enters the main loop which
the algorithm then enters the main loop which is executed until all events in a {\displaystyle {\mathcal {a}}} are avoided, at which point the algorithm returns the current assignment. at each iteration of the main loop, the algorithm picks an arbitrary satisfied event a (either randomly or deterministically) and resam...
wikipedia
3267d4a8eed26e1bf3e7bfda655376058faf82b1
in the first step, the algorithm randomly initializes
in the first step, the algorithm randomly initializes the current assignment v for each random variable p ∈ p {\displaystyle p\in {\mathcal {p}}}. this means that an assignment v is sampled randomly and independently according to the distribution of the random variable p.
wikipedia
f76d1074cbd08c58e7062c3f4b03bc7121c09424
if the event a is true under an
if the event a is true under an evaluation (v p) p {\displaystyle (v_{p})_{\mathcal {p}}}, we say that (v p) p {\displaystyle (v_{p})_{\mathcal {p}}} satisfies a, otherwise it avoids a.
wikipedia
69f13b4f654f76ab9dbbdb7e7281419be85efae2
for any random variable p ∈ p, v
for any random variable p ∈ p, v p {\displaystyle p\in {\mathcal {p}},v_{p}} denotes the current assignment (evaluation) of p. an assignment (evaluation) to all random variables is denoted (v p) p {\displaystyle (v_{p})_{\mathcal {p}}}.
wikipedia
4b3b90a56b85ef9c8782535c3a27b687c7b2620a
this bound is known to be tight. since
this bound is known to be tight. since the initial algorithm, work has been done to push algorithmic versions of the local lemma closer to this tight value. moser and tardos's recent work are the most recent in this chain, and provide an algorithm that achieves this tight bound.
wikipedia
9016aff0b2c86d2c85a153897cd0f6f50d61165d
prior to the recent work of moser and
prior to the recent work of moser and tardos, earlier work had also made progress in developing algorithmic versions of the lovász local lemma. józsef beck in 1991 first gave proof that an algorithmic version was possible. in this breakthrough result, a stricter requirement was imposed upon the problem formulation than...
wikipedia
565775594dafcd55953bde2ed8e4b3af203fc381
under the assumption that all of the events
under the assumption that all of the events in a {\displaystyle {\mathcal {a}}} are determined by a finite collection of mutually independent random variables p {\displaystyle {\mathcal {p}}} in Ω, robin moser and gábor tardos proposed an efficient randomized algorithm that computes an assignment to the random variable...
wikipedia
50d58e9ad58b96e4e017d24bcb621387dbb8dd3f
the lovász local lemma is non-constructive because it
the lovász local lemma is non-constructive because it only allows us to conclude the existence of structural properties or complex objects but does not indicate how these can be found or constructed efficiently in practice. note that random sampling from the probability space Ω is likely to be inefficient, since the pr...
wikipedia
60f008bba5ae0a2b5df5030f4ba0908d2b837d9d
let a = { a 1, …, a
let a = { a 1, …, a n } {\displaystyle {\mathcal {a}}=\{a_{1},\ldots,a_{n}\}} be a finite set of events in the probability space Ω. for a ∈ a {\displaystyle a\in {\mathcal {a}}} let Γ (a) {\displaystyle \gamma (a)} denote a subset of a {\displaystyle {\mathcal {a}}} such that a {\displaystyle a} is independent from the...
wikipedia
edda00cbf133a54591f526eaa231bd103b462da6
the lovász local lemma is a powerful tool
the lovász local lemma is a powerful tool commonly used in the probabilistic method to prove the existence of certain complex mathematical objects with a set of prescribed features. a typical proof proceeds by operating on the complex object in a random manner and uses the lovász local lemma to bound the probability th...
wikipedia
7f84159883682a473ae4b5365ffe2eb578941a74
if the events { a,..., a } are
if the events { a,..., a } are determined by a finite collection of mutually independent random variables, a simple las vegas algorithm with expected polynomial runtime proposed by robin moser and gábor tardos can compute an assignment to the random variables such that all events are avoided.
wikipedia
39c0260e34192753f8c87ecdb7b81ef0af06daa9
given a finite set of bad events {
given a finite set of bad events { a,..., a } in a probability space with limited dependence amongst the a s and with specific bounds on their respective probabilities, the lovász local lemma proves that with non-zero probability all of these events can be avoided. however, the lemma is non-constructive in that it does...
wikipedia
91f2bed8c3b00839916cfbbec4ee70dcab0f2f75
the 2013 county championship plate, also known as
the 2013 county championship plate, also known as bill beaumont cup division 2, was the 12th version of the annual english rugby union, county championship organized by the rfu for the tier 2 english counties. each county drew its players from rugby union clubs from the third tier and below of the english rugby union l...
wikipedia
a07d90a122e72afd9b1845ce18339f847d105ec3
the competition format involved six teams divided into
the competition format involved six teams divided into two regional group stages of three teams each, divided into north and south, with each team playing each other once. the top side in each group went through to the final held at twickenham stadium on 26 may 2013.
wikipedia
367be09b1946cad784f62eafb00806bf2a67c0e8
both northumberland and north midlands would make an
both northumberland and north midlands would make an instant return to the 2014 bill beaumont cup as they won their respective pools, with north midlands having a more difficult time of it as they were run close by somerset. in the final at twickenham, northumberland proved to be a class apart, scoring six tries as the...
wikipedia
5b17c49f341d9d0a2399b2666d19840bd679b72e
the 2013 county championship plate, also known as
the 2013 county championship plate, also known as bill beaumont cup division 2, was the 12th version of the annual english rugby union, county championship organized by the rfu for the tier 2 english counties. each county drew its players from rugby union clubs from the third tier and below of the english rugby union l...
wikipedia
b4b57a3c8da0134ebbae98db3e6b014733d61e0e
the 2016–17 olympique lyonnais féminin season was the
the 2016–17 olympique lyonnais féminin season was the club's thirteenth season since fc lyon joined ol as its women's section. like the previous season, the team won all three competitions: the division 1 féminine, the coupe de france féminine and notably its fourth uefa women's champions league after it defeated paris...
wikipedia
cf9e36997cf6eef5cc5f3164d592692063b2dec7
on may 8, lyon sealed its 11th national
on may 8, lyon sealed its 11th national championship in a row with two games remaining, in a 9–0 win over soyaux. finally the team faced a triple showdown against paris saint-germain with two titles in dispute as well as psg's qualification for the next champions league as montpellier took the second place. after a 3–0...
wikipedia
cee4a913eae795987e5dfbc0d1d49edd0f35c3ae
in the winter transfer window, lyon made three
in the winter transfer window, lyon made three signings. alex morgan was recruited on loan from nwsl's orlando pride, kadeisha buchanan arrived straight from college soccer, and josephine henning subsequently joined the team. lyon won all its first games in 2017, expanding its lead to a 6-point margin, before facing wo...
wikipedia
bb0e349d78c896d9993da5d4b0ffb60511e22bb5
from september to november, lyon won all first
from september to november, lyon won all first eight league games and first two champions league rounds against newcomer avaldsnes and zürich by wide scorelines. following a 2–1 win over 3rd place montpellier, lyon ended the year a 1–0 loss in its first game against paris saint-germain, which took the lead in the table...
wikipedia
1d071744c4b9bb6b66a8a37f0faffec9ea889da7
lyon had won in the 2015–16 season its
lyon had won in the 2015–16 season its second triple crown, including its fourth uefa women's champions league along with its fifth national double in a row. before the end of the season amandine henry had moved to the nwsl, while subsequently louisa necib retired and lotta schelin returned to the damallsvenskan. lyon ...
wikipedia
b4b57a3c8da0134ebbae98db3e6b014733d61e0e
the 2016–17 olympique lyonnais féminin season was the
the 2016–17 olympique lyonnais féminin season was the club's thirteenth season since fc lyon joined ol as its women's section. like the previous season, the team won all three competitions: the division 1 féminine, the coupe de france féminine and notably its fourth uefa women's champions league after it defeated paris...
wikipedia
5991c30e74333a55ff8f330aa82527af8c0eeffb
andreas j. heinrich is a physicist working with
andreas j. heinrich is a physicist working with scanning tunneling microscopy, quantum technology, nanoscience, spin excitation spectroscopy, and precise atom manipulation. he worked for ibm research in almaden for 18 years, during which time he developed nanosecond scanning tunneling microscopy which provided an impro...
wikipedia
b0b70564332cc3bbfb9d5c5b336b615377935202
he moved to south korea to become a
he moved to south korea to become a distinguished professor at ewha womans university and director of the institute for basic science center for quantum nanoscience in 2016. one of the long-term goals for the center is to fully control the quantum states of molecules and atoms on clean surfaces and near interfaces whic...
wikipedia
91dac6b5a2687642e349639864623b9dc3411b0d
while exploring the limits of data storage, his
while exploring the limits of data storage, his team made a boy and his atom; the world's smallest stop-motion film as recognized by the guinness book of world records. their research showed that data storage could shrink from a standard of one million atoms, down to twelve. less than five years later, the team heinric...
wikipedia
68857bf0ea9db7697cbb591e3be51034eeea3246
desiring to leave göttingen and with a goal
desiring to leave göttingen and with a goal to work in ibm's almaden research center, he received a scholarship from the alexander von humboldt foundation to finance his move. the german magazine stern categorized heinrich's move overseas as part of germany's " brain drain ". after working in ibm almaden for several ye...
wikipedia
67b0f41f14204dd33e9c2cbce78abbf6ced23c9f
he received his masters (diplom) and phd in
he received his masters (diplom) and phd in physics in 1994 and 1998, respectively, from the university of göttingen, germany. he was a research assistant from 1994 to 1998 under supervision of r. g. ulbrich. after obtaining a phd, he was a postdoc at ibm almaden with kavli prize laureate don eigler until 2001, in whic...
wikipedia
120db83796f2ef91aebb5eb57240865e223d2060
in 2016, he became a distinguished professor at
in 2016, he became a distinguished professor at ewha womans university in seoul, republic of korea and the founding director of the institute for basic science (ibs) center for quantum nanoscience. groundbreaking for the research center's research cooperation building occurred in 2018 and it was opened in 2019 during t...
wikipedia
561771df93e40901a083aa2bea244b95e2382cf8
andreas j. heinrich is a physicist working with
andreas j. heinrich is a physicist working with scanning tunneling microscopy, quantum technology, nanoscience, spin excitation spectroscopy, and precise atom manipulation. he worked for ibm research in almaden for 18 years, during which time he developed nanosecond scanning tunneling microscopy which provided an impro...
wikipedia
09d748ea2f3bb0012e39b97255dda04e3cfffa5e
2010 gb174 is a detached object, discovered on
2010 gb174 is a detached object, discovered on 12 april 2010 on data taken at the canada france hawaii telescope as part of the next generation virgo cluster survey. it never gets closer than 48.5 au from the sun. its large eccentricity strongly suggests that it was gravitationally scattered onto its current orbit. it ...
wikipedia
75cfe3499706251bd7eb240218708acad69d4164
2010 gb is a detached object, discovered on
2010 gb is a detached object, discovered on 12 april 2010 on data taken at the canada france hawaii telescope as part of the next generation virgo cluster survey. it never gets closer than 48.5 au from the sun (about the outer edge of the kuiper belt). its large eccentricity strongly suggests that it was gravitationall...
wikipedia
e8a27107d03424065e541d73366593fb79379961
7553 buie, provisional designation 1981 fg, is a
7553 buie, provisional designation 1981 fg, is a nysa asteroid from the inner regions of the asteroid belt, approximately 3.5 kilometers in diameter. it was discovered on 30 march 1981, by american astronomer edward bowell at lowell's anderson mesa station near flagstaff, arizona. the stony s-type asteroid has a rotati...
wikipedia
c02bd40d17d31b9442ef16cb66f25cec88bff8f9
according to the survey carried out by the
according to the survey carried out by the neowise mission of nasa's wide-field infrared survey explorer, buie measures 3.4 kilometers in diameter and its surface has an albedo of 0.259, while the collaborative asteroid lightcurve link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 3...
wikipedia
257d25853cf9e2c0c151462f759dc84353d9430e
in september 2012, a rotational lightcurve of buie
in september 2012, a rotational lightcurve of buie was obtained from photometric observations made at the palomar transient factory, california. in the r-band, it gave a rotation period of 4.2418 ± 0.0071 hours with a brightness variation of 0.51 magnitude, while in the sg-band the period was 4.2453 ± 0. hours with an ...
wikipedia
0ebfb165f6da0390fba91ec659f332b1ed5a521c
this minor planet was named in honor of
this minor planet was named in honor of american marc william buie (born 1958), an astronomer at the discovering lowell observatory and a prolific discoverer of minor planets including several trans-neptunian objects. his contributions to planetary astronomy also include research on the moons of pluto and the developme...
wikipedia
2502c129afc2c23582e67d5b72939e56a464fe03
it orbits the sun in the inner main-belt
it orbits the sun in the inner main-belt at a distance of 2.0–2.7 au once every 3 years and 8 months (1,351 days; semi-major axis of 2.39 au). its orbit has an eccentricity of 0.15 and an inclination of 3 ° with respect to the ecliptic. a first precovery was taken at the palomar observatory in december 1950, extending ...
wikipedia
fc8fb89856dc2700583f779c16a1360a64c65c2a
buie is a core member of the nysa
buie is a core member of the nysa family (405), also known as the herta family, located within the nysa–polana complex. it is one of the largest asteroid families of the asteroid belt and named after 44 nysa.
wikipedia
a1e0b250c382e88f383d4054aa51d5f33ed61159
7553 buie (/ ˈ b uː iː /),
7553 buie (/ ˈ b uː iː /), provisional designation 1981 fg, is a nysa asteroid from the inner regions of the asteroid belt, approximately 3.5 kilometers (2.2 miles) in diameter. it was discovered on 30 march 1981, by american astronomer edward bowell at lowell's anderson mesa station near flagstaff, arizona. the stony ...
wikipedia
eba435dccbb768ed21888bd8401e4e6b07ca3901
biomolecular engineering is the application of engineering principles
biomolecular engineering is the application of engineering principles and practices to the purposeful manipulation of molecules of biological origin. biomolecular engineers integrate knowledge of biological processes with the core knowledge of chemical engineering in order to focus on molecular level solutions to issue...
wikipedia