IPM Calendar 
Friday 23 October 2020   Today  
Events for day: Wednesday 21 October 2020    
           13:30 - 15:00     Weekly Seminar (Online)
Blackholes unveiled: from quasinormal scillations to shadows
https://www.skyroom.online/ch/soa/weekly-seminar

School
ASTRONOMY

Abstract:
From the observational point of view, blackholes (BHs) appear in a wide variety of astrophysical environments, and there is wealth of direct or indirect evidence pointing towards the existence of supermassive black holes (SMBHs). In fact, it is believed that SMBHs reside in the center of most sufficiently massive galaxies, including ours. It is also believed that the result of gravitational collapse is a Kerr BH. However, Ill explain the concept of the generalized blackholes and explain their two most important observational imprints, namely quasinormal oscillations and shadows. For the quasinormal oscillations we study the ...

           14:00 - 15:00     Weekly Webinar
Quantification of viscoelastic properties using contact resonance atomic force microscopy with U-shaped probes

School
NANO SCIENCES

Quantification of viscoelastic properties using contact resonance atomic force microscopy with U-shaped probes

Abstract:

Contact resonance atomic force microscope (CR-AFM) methods are relatively new measurement techniques used to quantify the elastic and viscoelastic properties of numerous materials such as polymers, elastomers, metallic glasses, asphalt, and biological materials. More recently, AFM thermalevers have been developed to allow local heating of samples, although they have much more complex resonances. These U-shaped probes have one distinct advantage over rectangular AFM probes, in that specifi ...

           15:30 - 17:30     Mathtematical Logic Weekly Seminar
In Search of Higher Forcing Axioms

School
MATHEMATICS

Classical forcing axioms such as Martin s Axiom, the Proper Forcing Axiom and Martin s Maximum have been very successful in settling not only foundational set theoretic questions such as the value of the continuum, but also solve some important mathematical problems not decidable in ZFC alone. Examples are Kaplansky's conjecture on automatic continuity in Banach algebras and Whitehead s problem in homological algebra. These axioms give a fairly complete picture of the first uncountable cardinal, $aleph_1$, but they do not say much about higher levels of the cumulative hierarchy. Higher forcing axioms is a research project which attempts to li ...

           16:00 - 17:30     Theoretical Neuroscience Journal Club Online

Title: Modulation of Sensory Response by Locus Coeruleus Noradrenergic System

School
COGNITIVE SCIENCES

Organized by: School of Cognitive Sciences
to receive the link to join online, please send email to theoretical.neurosci.ipm@gmail.com

Abstract:


Locus Coeruleus (LC) noradrenergic system has widespread projections throughout the brain and affects sensory processing in various modalities. Inhibition of both spontaneous and sensory-driven cortical activity is well documented in early experiments by either LC electrical micro-stimulation or local application of norepinephrine (NE). However, the temporal profile of the LC modulation of sensory response is not well-established. Here, we recorded ne ...