From marco.depetris at roma1.infn.it  Fri Oct  4 09:01:53 2019
From: marco.depetris at roma1.infn.it (Marco De Petris)
Date: Fri, 04 Oct 2019 09:01:53 +0200
Subject: [astroseminar@Sapienza]  15/10/2019 at 14:00: Purnendu Karmakar
Message-ID: <02e06dce16b0327881da9b9e89334f3a@roma1.infn.it>

Title: Observational predictions of the viable generalized 
scalar-tensor theory
Speaker: Purnendu Karmakar
Institution: Sapienza Universit? di Roma - Dept. of Physics
Date: Tuesday, 15 Oct 2019
Time: 2:00pm
Location: Aula Conversi, Marconi Building, Dept. of Physics, Sapienza 
University

Abstract:
In the past few decades, several extensions of the general relativity 
(GR) were proposed for explaining the present cosmic acceleration at the 
cosmological distance scale. Modifications of gravity often either 
change the speed or amplitude damping of gravitational waves (GW) 
propagation or both. Therefore a GW is a new powerful tool probing the 
modified gravity models. The multi-messenger gravitational wave (GW) 
event, GW170817 (binary neutron star merging event) by the LIGO/VIRGO 
collaboration and the associated gamma-ray burst (GRB) event, GRB170817A 
put a very tight constraint on the speed of gravitational wave 
propagation with respect to the speed of light. Large classes of models 
are still viable which changes the amplitude damping of gravitational 
waves (GW) propagation.

web: https://agenda.infn.it/event/20288/


From roberto.capuzzodolcetta at uniroma1.it  Sun Oct 13 09:48:45 2019
From: roberto.capuzzodolcetta at uniroma1.it (Roberto Capuzzodolcetta)
Date: Sun, 13 Oct 2019 09:48:45 +0200
Subject: [astroseminar@Sapienza] seminario di S. Portegies Zwart,
	giovedi 17/10 ore 16 aula Conversi
Message-ID: <CAMKCkgdgykK5upcQC+uDWJLSXrEHCs76FZBbJCSPhV7_U57byA@mail.gmail.com>

Vi annuncio il seminario che verra` tenuto da Simon Portegies Zwart
giovedi 17 ottobre alle ore 16 in aula Conversi.

Troubled early evolution of the Solar system"
Simon Portegies Zwart, Leiden Sternwarte, Olanda

Abstract
The Sun was probably formed in a cluster of a few thousand stars. Some
of the consequences of this birth environment may still be present
today, and recognizable as such. Among these phenomena are passing
stars, exotic objects objects inside the Solar System, curious
asteroid abundances and the consequences of a possible nearby
supernova.

-- 

Roberto CAPUZZO DOLCETTA  Roberto.Capuzzodolcetta at uniroma1.it
Dipartimento di Fisica, Universita' di Roma La Sapienza
P.le A.Moro 5, I-00185, Roma, Italy
Astronomy PhD program vice coordinator
phone: 39-06-49914535 fax:
39-06-4957697https://sites.google.com/a/uniroma1.it/robertocapuzzodolcetta-eng

My NEW Springer book http://www.springer.com/978-3-030-25846-7
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From marco.depetris at roma1.infn.it  Tue Oct 15 09:23:49 2019
From: marco.depetris at roma1.infn.it (Marco De Petris)
Date: Tue, 15 Oct 2019 09:23:49 +0200
Subject: [astroseminar@Sapienza] REMINDER : TODAY 15/10/2019 at 14:00:
 Purnendu Karmakar
Message-ID: <0e8cf613e2553e476585916ea9c9b816@roma1.infn.it>

Title: Observational predictions of the viable generalized 
scalar-tensor theory
Speaker: Purnendu Karmakar
Institution: Sapienza Universit? di Roma - Dept. of Physics
Date: Tuesday, 15 Oct 2019
Time: 2:00pm
Location: Aula Conversi, Marconi Building, Dept. of Physics, Sapienza 
University

Abstract:
After the constraint on the speed of gravitational waves (GW) from 
GW170817/GRB170817A event, a large class of modified gravity theories 
are still viable, which changes the amplitude damping of GW propagation.
However, testing numerous theories one by one would be challenging. I 
will introduce a generalized framework, and our prescription to test the 
gravity theories in a model-independent way. As an application, I will 
show the model parameter distributions in the viable generalized 
scalar-tensor theories, the correlations of the parameters, and the 
possibility for testing the models in the future observations, 
especially GW, screening mechanism and gravitational lensing.

web: https://agenda.infn.it/event/20288/



From roberto.capuzzodolcetta at uniroma1.it  Wed Oct 16 19:04:27 2019
From: roberto.capuzzodolcetta at uniroma1.it (Roberto Capuzzodolcetta)
Date: Wed, 16 Oct 2019 19:04:27 +0200
Subject: [astroseminar@Sapienza] Fwd: seminario di S. Portegies Zwart,
	giovedi 17/10 ore 16 aula Conversi
In-Reply-To: <CAMKCkgdgykK5upcQC+uDWJLSXrEHCs76FZBbJCSPhV7_U57byA@mail.gmail.com>
References: <CAMKCkgdgykK5upcQC+uDWJLSXrEHCs76FZBbJCSPhV7_U57byA@mail.gmail.com>
Message-ID: <CAMKCkgd7TjCQRAOFe1TpVj2RFBfPxZsVAWdaKuEfYNKWtgBTAw@mail.gmail.com>

Vi ricordo il seminario che verra` tenuto da Simon Portegies Zwart
giovedi 17 ottobre alle ore 16 in aula Conversi.

Troubled early evolution of the Solar system
Simon Portegies Zwart, Leiden Sternwarte, Olanda

Abstract
The Sun was probably formed in a cluster of a few thousand stars. Some
of the consequences of this birth environment may still be present
today, and recognizable as such. Among these phenomena are passing
stars, exotic objects objects inside the Solar System, curious
asteroid abundances and the consequences of a possible nearby
supernova.

-- 

Roberto CAPUZZO DOLCETTA  Roberto.Capuzzodolcetta at uniroma1.it
Dipartimento di Fisica, Universita' di Roma La Sapienza
P.le A.Moro 5, I-00185, Roma, Italy
Astronomy PhD program vice coordinator
phone: 39-06-49914535 fax:
39-06-4957697https://sites.google.com/a/uniroma1.it/robertocapuzzodolcetta-eng

My NEW Springer book http://www.springer.com/978-3-030-25846-7
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From elia.battistelli at roma1.infn.it  Fri Oct 18 14:51:33 2019
From: elia.battistelli at roma1.infn.it (Elia Battistelli)
Date: Fri, 18 Oct 2019 14:51:33 +0200
Subject: [astroseminar@Sapienza] today at 15:00: Marta Volonteri ( Amaldi
	Research Center seminar)
Message-ID: <5902a9f07549714ba3e113d8e2b902b6@roma1.infn.it>


Title: Inflation and cosmological perturbations
Speaker: Antonio Riotto
Institution: University of Geneva
Date, Time and location:

16th October - 16.00 - 18.00 - Aula Conversi
18th October - 15.00 - 17.00 - Aula Rasetti
24th October - 16.00 - 18.00 - Aula Conversi
25th October - 15.00 - 17.00 - Aula Conversi

Marconi Building, Dept. of Physics, Sapienza University

Abstract:
These lectures provide a pedagogical introduction to inflation and the 
theory of cosmological perturbations generated during inflation which 
are thought to be the origin of structure in the universe.

web: https://agenda.infn.it/event/20228/


From elia.battistelli at roma1.infn.it  Fri Oct 18 14:52:03 2019
From: elia.battistelli at roma1.infn.it (Elia Battistelli)
Date: Fri, 18 Oct 2019 14:52:03 +0200
Subject: [astroseminar@Sapienza] today at 15:00: Antonio Riotto
Message-ID: <5253d9e064fab4f43eab706e3d6bce55@roma1.infn.it>

Title: Inflation and cosmological perturbations
Speaker: Antonio Riotto
Institution: University of Geneva
Date, Time and location:

16th October - 16.00 - 18.00 - Aula Conversi
18th October - 15.00 - 17.00 - Aula Rasetti
24th October - 16.00 - 18.00 - Aula Conversi
25th October - 15.00 - 17.00 - Aula Conversi

Marconi Building, Dept. of Physics, Sapienza University

Abstract:
These lectures provide a pedagogical introduction to inflation and the 
theory of cosmological perturbations generated during inflation which 
are thought to be the origin of structure in the universe.

web: https://agenda.infn.it/event/20228/


From elia.battistelli at roma1.infn.it  Wed Oct 30 10:03:29 2019
From: elia.battistelli at roma1.infn.it (Elia Battistelli)
Date: Wed, 30 Oct 2019 10:03:29 +0100
Subject: [astroseminar@Sapienza] 11/11/2019 at 15:00: Chris Brook
Message-ID: <d5a7794469fa7a99b269502e34be0a0e@roma1.infn.it>

Title: The Galaxy Dark Matter Connection
Speaker: Chris Brook
Institution: Instituto de Astrofisica de Canarias, Spain
Date: Monday, 11 November 2019
Time: 3:00pm
Location: Aula Conversi, Marconi Building, Dept. of Physics, Sapienza 
University

Abstract:
The existence of dark matter was first postulated by exploring the 
velocities of stars within galaxies, as well as the velocities of 
galaxies themselves, within galaxy clusters. This talk will review the 
evidence for dark matter that comes from studying galaxies, with a 
particular emphasis on the role of modern cosmological simulations, and 
look at constraints that can be placed on the properties of dark matter. 
The 'cusp/core', 'missing satellite', and 'too big to fail' problems of 
Cold Dark Matter cosmology will be explained and adressed.

web: https://agenda.infn.it/event/20763/


