The description of the motion of extended bodies

represents a long-standing problem in the context

of Einstein\'s theory of gravity.

In general, the study of extended self-gravitating

objects in General Relativity requires the use of

different approximation techniques. Many

applications in gravitational physics, e.g. the

detection of gravitational waves, crucially depend

on our theoretical understanding and mastery of

such approximation techniques.

In this talk we provide a brief review of the

so-called \'problem of motion\' in General Relativity.

In particular we focus on multipolar approximation

methods and their use in the description of the

motion of extended test bodies.

## Motion of extended bodies in General Relativity, Dirk Puetzfeld, ZARM (University of Bremen)

Apr. 19 - 20:30 - 2012

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