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Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

Gravitational lensing represents a characteristic feature of astrophysical systems in strong gravitational fields, such as the supermassive black holes recently observed by the Event Horizon Telescope. On the other hand, strong gravitational fields are also being probed by the LIGO-Virgo-KAGRA observations of gravitational waves. With the rapidly increasing number of observed gravitational waves, it is expected that a small portion of these events will be gravitationally lensed. This workshop aims to bring together members of the astrophysical community working on lensing and wave effects in strong gravitational fields and to discuss physics relevant for both the Event Horizon Telescope and LIGO-Virgo-KAGRA observations. We plan to discuss the current open problems and perspectives in the field, facilitate the transfer of techniques between the much more mature field of lensing of electromagnetic waves towards novel studies in the lensing of gravitational waves, as well as to see how wave effects beyond the standard lensing approaches could be incorporated.

Teilchenphysik und Felder,    Astronomie, Astrophysik und Kosmologie

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

The aim of the project is to reinforce the collaboration between scientists from austrian research institutions and international institutions around the topic of infinite dimensional geometry. Direct applications of the theoretical aspects of infinite dimensional geometry to numerical schemes for solving partial differential equations coming from hydrodynamics, as well as medical applications of shape analysis are part of the program. The programme will last five 5 weeks, each devoted to different topic ranging from abstract theoretical questions to very concrete applications (e.g. medical).

Kurse und Veranstaltungen für Physikstudenten,    Geometrie und Topologie

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)