BarzelLab
@baruchbarzel
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Cracking network dynamics ● Director - complex network dynamics lab ● Chief scientist -
Israel
Joined October 2011
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This is getting a lot of attention, so now, as promised - a 🧵on our NEW PAPER
@NaturePhysics
Together with
@chandrakala06
,
@CHens19756161
,
@sumanacharyya01
, Simi Haber and Stefano Boccaletti
So, 50 years ago, back in the 70s...
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@richimedhurst
Can you elaborate on the NO PROOF part:
"Multiple photographs from the sites after the attack show the bodies of women naked from the waist down, or with their underwear ripped to one side, legs splayed, with signs of trauma to their genitals and legs."
…
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@SpiritofHo
I perfectly agree with where you draw the lines:
Russia, China, Hamas on one side.
Washington, Brussels, London, Tel Aviv on the other.
Now we can all choose sides with clarity: Imperfect democracies or perfect tyrannies.
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Its out in the open!
Our paper is born 🐣
@NaturePhysics
Emergent stability in complex network dynamics
A thread with more details will come soon. Meanwhile hit the link 👆
T O M O R R O W
Thanks to Chandrakala Meena,
@CHens19756161
@sumanacharyya01
, Stefano Boccaletti and Simi Haber for the great collaboration.
@NaturePhysics
T O M O R R O W
👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇👇
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Just out in
@NatureComms
- Our latest on information flow in networks.
So - what's your contribution to the Flow?
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Ok - the previous thread has done MASSIVE rounds. Thanks to all who responded/liked/retweeted.
So now a second angle on the story of our latest article in
@NaturePhysics
You know what you gotta do...
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@MuhammadSmiry
Not to say that life is easy in Gaza, but this is a LIE. While we are at it, its a good opportunity to recall that Gaza gets most of its power from Israel. For free!* Rockets, terror, tunnels, all with Israeli supplied power. Gives a new meaning to the idiom FREE Palestine
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Can a large complex system be stable? Asked in 1972 by R. May. AKA the Diversity-Stability Paradox.
Just out with
@CHens19756161
and
@chandrakala06
, we provide the answer, analytically.
Bottom line: It CAN and under some dynamics it even MUST be stable
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*** NEW PAPER OUT🐣***
Hey all - back to the classic old 6 degrees, but from another angle.
Just out in
@PhysRevX
:
For the lazy - thread below 🧵
***But remember - it takes only 6 Retweets to spread this to the entire 🌍***
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1/7 We formulated a strategy to get us out of COVID19 with minimal damage. The formal paper will be on ARXIVE, code on Github soon. Meanwhile read about it here:
Lets talk about its main components in the tweets to come. Please help us spread it: RETWEET
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Lots of calls for ceasefire. Most Israelis would happily agree. We never wanted the fire to begin with.
But please specific the terms for this ceasefire. e.g., Hamas surrenders, it is disarmed & hostages are released.
Is there any reason anyone would object to these terms?
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Network Resuscitation.
Our latest paper is out in
@NaturePhysics
- how to recover a failed network with just ONE node.
Thanks also to P. Desrosiers & X. Roy-Pomerleau for their excellent overview
Be that ONE node - please RT
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A big paper from our lab is coming out in 3 days.
It will be life-changing*
*Assuming your life depends on the dynamic stability of complex networks.
Well... actually, it does. All our lives depend on it.
Be on the lookout: April 20,
@NaturePhysics
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@Torat_IDF
בהחלט. זה תלוי מה כתוב.
חוזרים לגוש קטיף - לא. כי אנחנו לא משוגעים (רובנו).
בחורות על d9 - כן. כי בחורות יכולות להפעיל d9.
הראשון חלום פוליטי מטורלל. וחיילים אינם פוליטיקאים.
השני מבטא שוויון מגדרי, שהוא מערכי היסוד של המדינה.
לגבי גרפיטי - מסכים שזה די חסר טעם. אבל ממש לא
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At last!
Read how signals propagate in complex networks.
And dont forget to help us propagate THIS signal (RT).
Thanks
@NaturePhysics
and
@fdlevi
Spatiotemporal propagation of signals in complex networks here:
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We received a lot of responses on our recent paper in
@NaturePhysics
Emergent stability in complex network dynamics
So first of all THANKS. Really exciting to see all the attention.
Now four weeks in, a new thread about the broader picture
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@YinonMagal
אני אני אני!
אה... אה כן, פרצה מלחמה קיומית לאחר שנה של התנהלות ממשלתית מופקרת, והממשלה העבירה תקציב שגם בימי שלום הוא שערורייתי.
כן, נראה לי זה.
הצלחתי?
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The Formula by
@barabasi
arrived today in the mail.
20 copies.
1 for each lab member.
And some spare for good luck.
Hope they will like it.
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@maricohen95
Well... I got one that thought Jewish genocide was exhilarating. Does that count?
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Alternating quarantine (AQ). A sustainable way to get out COVID-19. Considered now by many countries. But finally adopted by Austria as a way to get schools back on track.
Here is our paper on why this may work so well:
See thread
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@RamAbdu
quite a coincidence that all civilians are fighting age males. To be clear-not me nor you know what this picture depicts, and what is its context. But you dont let that stop you from making confident assertions of war crimes. How do you know? Taking Hamas combatants captive is
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@Ahmad_tibi
שלום ד"ר טיבי,
אנחנו לא באותו צד של המתרס הפוליטי. אבל נחשפתי לחלק מהקללות שנזרקו לעברך בעיקבות האסון. זה נורא בעיני. אינני מאחל בשורות שכאלו לאף אדם. כאבך וכאב משפחתך אינו שונה מכאבן של משפחות יהודיות. מקווה לימים טובים יותר ולבשורות טובות.
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@ayaghanameh
Guys, a new blood libel just landed. Please update your antisemitism handbook asap.
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But now we know that NETWORK dynamics is unique. It allows for extremely robust dynamic states that become asymptotically insensitive to external conditions and perturbations.
Therefore, large complex systems not only *can* but often *must* be stable.
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@JamesKennedyUK
The problem is the belief that jews are committing genocide. Antisemitism is a belief system about jews and subscribing to these beliefs is the core of the problem.
Imagine your 19th century counterpart saying: "I don't have a problem with jews, just with harvesting Christian
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@YinonMagal
הו, טוב ששאלת
@YinonMagal
, אני אסגביר:
רוה"ם: לא מתעסק בפוליטיקה. במיוחד בזמן מלחמה.
עיתונאים: חושפים שקרים ומחדלים של רוה"ם. במיוחד בזמן מלחמה.
שופרות: מעלים טיעוני קש לטובת רוה"ם. במיו... תמיד!
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@wokestethoscope
Except the blockade came after the rise of Hamas.
I actually do understand some of the Palestinian grievances towards Israel. But Hamas is a different story. The condition that gave rise to Hamas is Israel's existence. I know this becasue I listen to their words and actions.
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Our analysis exposes that its not just about network structure, but also DYNAMICS: The strength of the interactions (how changes in node 1 impact node 2) are NOT random. Instead they follow very distinctive scaling patterns that *change* with dynamics.
This is a key point 👇
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@normfinkelstein
wow - 2 antisemitic tropes for the price of one:
Genocide + Jewish billionaires pulling the strings.
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טוב - אני הולך לחטוף על זה הרבה אש...
בעצם אולי לא. גם ככה אפאחד לא יקרא. אז יש לי סיכוי להינצל.
אבל בכל זאת, אם בא לכם לדעת איך לפתור את הסכסוך הישראלי-פלסטיני (ולשמוע על התאוריה המדעית המאוחדת של כל היקום...) כדאי לקרוא:
זוכרים את ה7 באוקטובר. אז מה באמת הלקח? מה הקונספציה
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@SquidDiddly1989
This is fake.
So now we should talk about the real phenomenon: the unfathomable prevalence of fabrications about idf/Israel.
Why are they so abundant? Perhaps they resonate with people's prejudices? Their predisposition to believe horrible things about jews? It seems every
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Couldn't help it.
My 2 cents on the
#scalefree
discussion spurred by
@aaronclauset
latest arXive paper. Click below...
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@yoavgo
@alexhanna
By "harrased" she means disagreed with. Yet another word that just lost its meaning
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So you got a vaccine/drug for COVID19.
Now how ya gonna disseminate it?
Turns out Equality is the best strategy
Not just because its the right thing to do. But also becasue its the most effective mitigation-wise.
See our new paper with
@IdoBachelet
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Thanks
@Jerusalem_Post
and others, e.g.
@physorg_com
&
@EurekAlert
, for featuring our latest paper in
@NaturePhysics
: Emergent stability in complex network dynamics
We have been overwhelmed by the attention this received.
Links + acknowledgments below 👇
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🎺🎺🎺
Inaugural Meeting on Network Dynamics &
Networks of Networks
Jan. 29 - Feb. 1, 2024 Jerusalem, Israel
Mark your calendars and follow for updates. This will be theee meeting of 2024.
More info to come soon. But meanwhile check out our website 👆
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@NAChristakis
You seem to be insinuating a symmetry here. Hamas's declared targets of attack were families, civilians, elderly, kids. Each of the terrorists made a conscious decision to shoot the helpless person they encountered. Are you hinting that Israel acts similarly?
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@RedCollectiveUK
Because the west knows the difference between Attack and Defense.
Ok you need to hear this:
Palestinian lives=Israeli lives.
Every death is equally tragic.
But that is not at all what the moral discussion is about. Its about culpability.
Palestinian culpability>>Israeli culpability.
Hamas sacrificing their population vs. IDF doing its best
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@nookyelur
It does not change the fact - seriously? The village is NOT in Gaza, but this does not change your precious fact?
The actual fact here is that the translation is deliberately distorted. So you have been lied to (or lied yourself). But of course you double down on the lies
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@Nadav_Eyal
Also-loss of nuance. Microaggressions and hauling black slaves in shackles are both considered Racism. Which is true, but one is by far more explicit and abhorrent than the other. This leads people to criticize imperfect democracies (US/Israel) as if they are perfect tyrannies.
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Never have 1300 Gazans been killed in one day. Hamas, the one time it was "successful", achieved with M16s more than Israel does with F16s. So either Israel is very bad at this game, or it simply plays a different game: one where you dont try to kill as many civilians as you can
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@Noahpinion
No
@Noahpinion
its not just Israel's allies that are disapproving of genocide. Its also Israel's people. There is a reason why one sides with certain allies. Yes there is some heated rhetoric right now. But no one in mainstream Israel is contemplating anything close.
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Our recent work in
@NaturePhysics
on
Reviving a failed network through microscopic interventions
was featured in
@PNASNews
Journal Club.
Here:
Thanks
@amygmcdermott
for writing and
@adilson_motter
@eco_hastings
for taking part.
When ecosystems collapse, they can be tough to fix. But a new study (in physics) suggests that complex networks have a sweet spot, where even tiny interventions can shift them back to desirable states.
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European Jews:
1933👉9,500,000
1945👉3,500,000
Genocide
Rwanda Tutsi
1994👉900,000
1995👉300,000
Genocide
Gaza population
1967👉400,000
2023👉2,000,000
🙄
Is it complicated? Yes.
Do the Pal. have legit grievances? Yes.
But if you claim genocide-you are 🤡or🤥
#Antisemitism
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@willshake68419
@Tuck_Fhis
@HotSotin
@Bloodclaw12
If you are anti hamas and pro-2 state solution i think you should also put 🇮🇱.
Most Israelis would want that (given the 2nd state is non hostile). And even ones that don't (typically because they think it would be hostile) should not view 2state as an anti-israel stance. Just
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But most importantly:
If the network is large and heterogeneous (eg, scale-free) you get an 🥁🥁🥁
-----> Asymptotic stability.
Certain dynamic states become unconditionally stable. You can change parameters, remove/add stuff, torture your system in many ways, but
👇👇👇
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@ryangrim
So Israel forfeits tactical advantage by announcing where/when it will attack. It also operates serially: first north than south, allowing civilians to shelter in X while taking care of Y.
All that knowing that Hamas will take advantage.
But of course you spin that against her
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Similar networks can feature distinct propagation patterns
Just like the same road network can feature distinct traffic patterns
Our NETWORK GPS
@NaturePhysics
helps us navigate networks:
Translating static structure into dynamic signal propagation
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Its not complicated: We have now seen Hamas at its best. What it looks like when they actually achieve their wishlist. It is written in their charter: kill all Jews, but now we know they put their guns where their mouths are.
If you romanticize this as decolonization then
👇👇👇
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Are we empathetic to the Palestinian suffering? YES. We are. We would rather not have to fight this war. We never asked for it. And we know that Hamas militants also have weeping mothers and little brothers.
But empathy is an emotion, not a moral or rational directive, and does
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if it is sufficiently large/heterogeneous - it will not budge.
This is the EMERGENT STABILITY that we mention in the title.
We never thought this way about dynamic stability. We always think that you can change a parameter and force the system to shift from one state to another
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After presenting to many governments/committees I decided to record a virtual seminar on Alternating Quarantine:
Paper is here:
Tune in to hear how to keep economy active but still mitigate more efficiently than pop-wide quarantine.
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@yasmina0812
@RamAbdu
Thats easy. An army that fears that they might be hiding a suicide bomb under their clothes. Can you think why they might fear that?
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@Terrilltf
I got used to the new definition of "genocide". But I now I also need to update my dictionary on "honest"
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@DrRosena
Serious question. I want to understand your stance: when you say "ceasefire", what are the terms of this cessation? For example, is it conditional on the release of the 250 hostages? If not - then why not?
Not trolling. Really want to understand what you think.
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Multiscale Analysis of Dynamical Processes on Networks
Thee BEST satellite in
@netsci2020
Dont believe me? See for yourself:
See you there
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Congratulations Argentina on considering Alternating quarantine. Economic activity alongside
#COVID19
mitigation
See
@Letra_P
Is Ecuador next?
See
@aulamagna_usfq
Paper:
Webinar:
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Alternating quarantine - sustaining socioeconomic routine alongside
#COVID19
mitigation. Already implemented in large corporations, schools and government offices.
Now finally published in
@NatureComms
@LorenzoRighett7
Please help us spread the word:
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Amazing how many people, media outlets, and institutions are either pro-Hamas, or at least use a morally vague rhetoric about the horrific events in Israel.
What are the roots of this morally distorted stance?
Well, it has a name we all know too well.
Lets break it down:
👇👇👇
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אני לא משפטן אבל נראה לי שזה קרה: אנחנו במשבר החוקתי. מזל טוב.
היום נתניהו הכריז שהוא לא יקיים את הסדר ניגוד העניינים שבו הוא מחויב.
הוא לא טען שאינו מחויב בו. רק שהחוק המטורלל שחוקק ב3:00 בבוקר לא מאפשר לנבצר אותו.
ההתנגשות החלה.
החוק המטורלל מגן מנבצרות. אבל לא ממאסר - נכון?
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@yoavgo
@MariamBarghouti
There is fuel in Gaza. Its confiscated by hamas. I know this because I am in the shelter under a barrage of fuel operated rockets. Guess the buried victims are not really a priority.
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Exciting data driven project on temporal networks
Phd/Postdocs - applications are welcome
This one is a true opportunity - only for the best candidates.
Please help us spread the word?
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@AlnaouqA
I also asked myself why bomb this beautiful bldg. So I looked up the videos. After the first hit you see multiple large secondary explosions. Since we are all military experts now, I think we know what that means: the bldg was full of stuff that explodes.
My university, for
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🎺NEW PAPER OUT🎺
Epidemic spreading under mutually independent intra- and inter-host pathogen evolution
Help our message spread - please RT
Imagine a pathogen that evolves as it spreads (no need for imagination really)... (short 🧵)
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@HenMazzig
I think they called for just Israel to cease fire. Where did you get the idea that hamas needed to do anything too?
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@ArielleLAngel
Its very simplistic to focus just on Tragedy and not on Morality. Both, BTW, are at whole different ballpark from your Holocaust comparison. No Moral equivalence and a completely different scale of Tragedy.
Here how to apply more complex judgement:
Are we empathetic to the Palestinian suffering? YES. We are. We would rather not have to fight this war. We never asked for it. And we know that Hamas militants also have weeping mothers and little brothers.
But empathy is an emotion, not a moral or rational directive, and does
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They are not random.
Yes, we all know now that these systems are often scale free, they have loops, communities, all sorts of non random features.
So maybe this makes them stable? Well... not really.
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Lets talk about Proportional response.
Why do we expect it? And what are we getting wrong about it?
Ya, I know... its 4 minutes. But I did my best to make it worth your while
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@RyanRozbiani
These are underground tunnels (we all know what they were used for) being demolished after the buildings on top were all evacuated. Not aesthetic, but hardly the worst images to come out of war.
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@oren_data
@dair_ai
@timnitGebru
It all comes down to our understanding of what the discussion is about.
Reasonable people: its about moral vs. immoral.
Progressive left: its about white vs. black.
When you base the entire merit on being black, highlighting black Israelis is perceived as propaganda.
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Many of my friends and colleagues across the globe are checking in, so I will try to recap the situation in Israel.
The picture below is of the Kedem Family from Kibbutz Nir Oz. They were murdered. Mom, Dad, two daughters (6) and little Omer (4).
Some facts for context:
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Criticize
@Israel
all you want. We Israelis do that all the time.
Our fight is against the
#BloodLibels
. Believing that Israel is so evil that
#HamasisISIS
attacks are justified (even exhilarating🤦).
And its not a matter of PR.
People are dying because of these lies!
To be
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@DeeLaSheeArt
How much do you want it? Do you want it so much that you would be willing to release the hostages? And surrender the desire to annihilate Israel?
Under these terms I think we all agree.
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@antoniogm
Iron dome saved so many lives. Of Israelis and even more - of Palestinians, by allowing Israel to endure instead of respond. But yes, it also fostered the illusion that we can live alongside the conflict. There was this thinking that Israel will develop start-ups, launch
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Distribution equality as an optimal epidemic mitigation strategy
With
@IdoBachelet
@solefroni
In the pipeline from BEFORE COVID (yes really!) but now finally out with extra support from COVID data.
How to best ship drugs during a global pandemic?🧵
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So it seemed large networks should NOT be stable.
It soon became clear that May's answer is really a big question: How come large complex systems ARE stable?
This is no longer about ecology, its about networks in general: 👇
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The effect of i on j scales with ki and kj. And the self-effect of i on itself scales with ki.
So Dynamics (scaling) and Structure (k) are deeply intertwined.
The result is a fundamentally new type of stability patterns. Unlike anything you would get with random interactions.
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Why we should be Spreading drugs by email.
Read all about it in our latest paper, just out:
and help us Spread this message (RETWEET)
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Bringing
@Networks2021
as close as possible to a Live conference. We gathered at the lab to watch the Lightning sessions together.
Its been a while since we had a Lab gathering.
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This year we have 9 talks from the lab at
@Networks2021
#Networks2021
Yes - NINE!
7 Lightning and 2 Contributed talks.
You dont have to attend all nine of the. Eight will also be Ok.
Just so you dont miss - here is the list in the 🧵below:
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This is important information.
Please read this 👇
The
@IDF
has made 20,000 calls, dropped 1.5m leaflets and sent 4.4m SMS & 6m voice messages urging civilians in northern Gaza to evacuate temporarily for their safety.
It's fair to say, IDF has done more than any army in the history of warfare to protect other side's civilians.
1K
4K
11K
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@GeorgeDeek
Even the reasons are not so different. Just the terminology
It still focuses on perceived power of Israel as a force that manipulates world politics/economy/media (Elders of Zion style)
And on the myths about Israel killing babies for fun (blood libel style)
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ecologists were debating whether biodiversity is good or bad. The answer came from Robert May in 1972 and it was quite a surprise: ITS BAD.
He modeled an eco-system as a network with random interactions and found that as you add MORE nodes - it becomes LESS stable.
So...
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