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[Fizinfo] Wigner FK RMI Elméleti Osztály Szemináriuma


Chronological Thread 
  • From: Balog Janos <balog.janos AT wigner.mta.hu>
  • To: fizinfo AT lists.kfki.hu, rmkiusers AT lists.kfki.hu
  • Subject: [Fizinfo] Wigner FK RMI Elméleti Osztály Szemináriuma
  • Date: Wed, 09 Dec 2020 09:51:45 +0100
  • Authentication-results: smtp1.kfki.hu (amavisd-new); dkim=pass (1024-bit key) reason="pass (just generated, assumed good)" header.d=wigner.mta.hu

Wigner FK RMI Elméleti Osztály Szemináriuma
Tisztelettel meghívjuk


Maciej Dunajski
(Cambridge)


"Twistor Theory"


címmel tartandó online szemináriumára.

Az előadás linkje:

Title: Wigner ELMFO Seminar
Time: 11 December 2020 14:00-16:00 (room available from 13:30)
Direct web link:
https://cern.zoom.us/j/94782546838?pwd=a0tzTXU1TVU1NW9pY0JzbmVIMFhsQT09
Meeting ID: 947 8254 6838
Passcode: 766139



Kivonat:

I will review aspects of twistor theory, its aims and achievements spanning the last five decades. In the twistor approach, space--time is secondary with events being derived objects that correspond to compact holomorphic curves in a complex three--fold -- the twistor space. Solutions to linear and nonlinear equations of mathematical physics: anti-self-duality (ASD) equations on Yang--Mills, or conformal curvature can be encoded into twistor cohomology. These twistor correspondences yield explicit examples of Yang--Mills, and gravitational instantons.

Finally I shall discuss the Newtonian limit of twistor theory, and its possible role in Penrose's proposal for a role of gravity in quantum collapse of a wave function.



Helye: online
Ideje: 2020 december 11 péntek d.u. 14:00



Szívesen látunk minden érdeklődőt.


Balog János



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