854 citations
- École Normale Supérieure de LyonFR328 papers
- Centre National de la Recherche ScientifiqueFR231 papers
- Institut national de recherche en sciences et technologies du numériqueFR163 papers
- Lyon 1 UniversitéFR162 papers
- Université de LyonFR63 papers
- Université Grenoble AlpesFR21 papers
- University of LeedsGB19 papers
- Laboratoire d'Informatique de GrenobleFR17 papers
- LIP - Laboratory of Instrumentation and Experimental Particle PhysicsPT17 papers
- Union UniversityRS14 papers
- Laboratoire des Sciences pour la Conception, l'Optimisation et la ProductionFR13 papers
- École PolytechniqueFR12 papers
Showing 1999Show all
2 papers · 1 filter
math.LO1999★ 1 cited
On defining irreducibility
Pascal Koiran
We show that irreducibility is not a first-order definable property of real algebraic varieties. The proof is based on the recent o-minimality result for the exponential function.…
cs.DS1999
Tiling with bars under tomographic constraints
Christoph Durr, Eric Goles, Ivan Rapaport +1
We wish to tile a rectangle or a torus with only vertical and horizontal bars of a given length, such that the number of bars in every column and row equals given numbers. We prese…