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- Loïc Pottier
- ISSAC
- 1996

- Loïc Pottier
- RTA
- 1991

- Yves Bertot, Frédérique Guilhot, Loïc Pottier
- Electr. Notes Theor. Comput. Sci.
- 2004

We describe a tool that combines a general purpose theorem prover and an off-the-shelf interface for dynamic geometry drawing to enhance man-machine interaction involving geometrical proofs. With our tool, we can edit the statements of geometrical theorems, construct and verify their proofs with the theorem prover, and visualize the statements using the… (More)

- Laurent Chicli, Loïc Pottier, Carlos Simpson
- TYPES
- 2002

- Stéphane Lavirotte, Loïc Pottier
- Document Recognition
- 1998

This paper describes current results of Ofr (Optical Formula Recognition), a system for extracting and understanding mathematical expressions in documents. Such a tool could be really useful to be able to re-use knowledge in scientiic books which are not available in electronic form. We currently also study use of this system for direct input of formulas… (More)

- Andreas Kosmala, Gerhard Rigoll, Stephane Lavirotte, Loïc Pottier
- ICDAR
- 1999

This paper presents an approach for the recognition of on-line handwritten mathematical expressions. The Hidden Markov Model (HMM) based system makes use of simultaneous segmentation and recognition capabilities, avoiding a crucial segmentation during pre-processing. With the seg-mentation and recognition results, obtained from the HMM-recognizer, it is… (More)

- José Grimm, Loïc Pottier, Nicole Rostaing-Schmidt
- 1996

This paper concerns space-time trade-oos for the reverse mode of auu tomatic diierentiation on the straight-line programs with nested loops. In the rst part we consider the problem of reversing a nite sequence given by u n+1 = f(u n), which can model a certain class of nite loops. We show an optimal time strategy for this problem, the number of available… (More)

- Ahmed Amerkad, Yves Bertot, Loïc Pottier, Laurence Rideau
- 2001

- Benjamin Grégoire, Loïc Pottier, Laurent Théry
- Automated Deduction in Geometry
- 2008

- Loïc Pottier
- LPAR Workshops
- 2008

We describe how we connected three programs that compute Gröbner bases [1] to Coq [11], to do automated proofs on algebraic, geometrical and arithmetical expressions. The result is a set of Coq tactics and a certificate mechanism 1. The programs are: F4 [5], GB [4], and gbcoq [10]. F4 and GB are the fastest (up to our knowledge) available programs that… (More)