16 citations · 38 across the 7 of their papers we have counts for
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quant-ph2008★ 2 cited
Similarity-Projection structures: the logical geometry of Quantum Physics
Daniel Lehmann
Similarity-Projection structures abstract the numerical properties of real scalar product of rays and projections in Hilbert spaces to provide a more general framework for Quantum…
math.DS2008★ 2 cited
Global stucture of webs in codimension one
Vincent Cavalier, Daniel Lehmann
We describe the global structure of holomorphic webs in codimension one, and in particular their singularity (caustic). Various concepts are introduced, which have no interest loca…