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- Cédric Faure
- 2008

We present a practical expected usually quartic time algorithm to recover the structure of an algebraic geometry code defined over a hyperelliptic code of genus g ≤ 2. Its main application is an attack of the McEliece cryptosystem based on algebraic geometry codes defined over curves of small genus. Our algorithm is a adaptation of the well-known… (More)

- Cédric Faure, Pierre Loidreau
- WCC
- 2005

- Jean-Baptiste Doc, Bertrand Lihoreau, Simon Félix, Cédric Faure, Guillaume Dubois
- The Journal of the Acoustical Society of America
- 2015

A three-dimensional wide-angle parabolic equation (3DPE) is used to model low frequency sound propagation in irregular urban canyons at low computational cost. This one-way wave equation is solved using the Alternating Direction Implicit method. A finite difference scheme adapted to the geometry of the urban environment is then developed. Abrupt variations… (More)

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