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At �鶹��ý�Ŷ�, Dr. Savi Iyer and her students carry out theoretical physics research in the field of black holes.  In particular, Iyer and her students study gravitational lensing, or the bending of light around black holes.  Iyer's students get involved by performing calculations and running simulations using numerical computer programs such as Mathematica.  Iyer also studies geometrical effects in general relativity.  For more details, please consult these publications below.

1. S. V. Iyer and E. C. Hansen, “Strong and Weak Deflection of Light in the Equatorial Plane of a Kerr Black Hole,” submitted for publication ( )
2. S. V. Iyer and E. C. Hansen, “Light’s Bending Angle in the Equatorial Plane of a Kerr Black Hole,” submitted for publication ( )
3. S. V. Iyer and A. O. Petters, “Light’s Bending Angle due to Black Holes: From the Photon Sphere to Infinity,” General Relativity and Gravitation 39, 1563-1582 (2007). ( )