Top Tweets for #ChallengeLCDM
Subsequently, Arnaz Khan presented a minimal scalar-field solution to the cosmological constant problem (there is more to the universe than just the H0-tension!): https://t.co/YE6374PDKA #ChallengeLCDM
Next, Myrto Maglara talked about large scale velocity fields. #ChallengeLCDM
Then, we made a turn-around to the turn-around radius and its observable constraints in N-body simulations as described by Giorgios Korkidis: https://t.co/rKpRfJBgCJ #ChallengeLCDM
and here comes the last part of the news from #ChallengeLCDM! A big thank you to the organisers (@AsvestaKerkyra who is on twitter) for bringing together this heterogeneous ensemble of opinions, people, and the many inspiring discussions that arouse from that mixture! ๐
Then, part II on tilted universes, @AsvestaKerkyra talked about her recent paper on determining the deceleration parameter in such cosmologies, https://t.co/tHieJIswTj #ChallengeLCDM
Here are the highlights from yesterday's #ChallengeLCDM: we started with Subir Sarkar giving a talk on recent tests of the cosmo-principle, including the latest matter dipole (https://t.co/Cm6WiPCO6A) and the question whether it could be intrinsic (https://t.co/t0swfsO5IA).
The evening session was started by Timothy Clifton showing his most recent work on anisotropies emerging in inhomogeneous cosmologies, highly interesting, see here for an intro: https://t.co/jMicAOy14S and stay tuned for the paper to appear very soon! ๐ฅณ#ChallengeLCDM
After that @GravityGrinch explained the physical origins of degeneracies in strong gravitational lensing and efficient ways to break them using observables and sound theoretical (lens) models, based on https://t.co/p5q98z5MWv #ChallengeLCDM
After lunch, Lavrentios Kazantzidis introduced us to another oddity of observation: oscillations in the expansion history of the late universe that could question LCDM or hint at so far unknown systematics:
https://t.co/hYBL4AmJgw #ChallengeLCDM
No5 for today was @KMigkas talking about anisotropies seen in scaling relations of galaxy clusters (https://t.co/WAmEcdl03E) with a sneak preview on his very first results of @eROSITA_SRG clusters! Stay tuned for the evaluation, it's highly intriguing! ๐ #ChallengeLCDM
Next, Leandros Perivolaropoulos asked whether the abs mag of SNe in and out of the Hubble flow should be the same, as a solution to the H0-tension. Here is his recent paper: https://t.co/FRb2MopMCs and also check out his review paper
https://t.co/3PMRCEtnqS on #ChallengeLCDM!
Then there was a marvellous theory talk by Roy Maartens, giving an encompassing overview how to test the cosmological principle, here is two of his seminal papers about the issue: https://t.co/zCkTlDxOQX
https://t.co/FRfXtBaFIw
#ChallengeLCDM
Updates from day1 of #ChallengeLCDM! Great talks today, starting with Rocky Kolb finding recipes to create dark matter in the early universe asking what if DM only interacts gravitationally?
WTF means "why these features"? ๐คฃ
Good morning to everybody looking forward to the first day of #ChallengeLCDM! A full programme with many world-known experts in cosmology awaits us. ๐
#ChallengeLCDM has started tonight with a great talk by Subir Sarkar, Seeing the Edge of the Universe brought us to the edge of your way of thinking!
Our workshop on currently hot topics in cosmology starts on Sunday! https://t.co/4tV9W3Q2e2โฆ Hope to see many of you in Thessaloniki!
#ChallengeLCDM
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