Concept
Patron (géométrie)
Publications associées (19)
Promoting Persistent Superionic Conductivity in Sodium Monocarba-closo-dodecaborate NaCB11H12 via Confinement within Nanoporous Silica
Superionic phases of bulk anhydrous salts based on large cluster-like polyhedral (carba)borate anions are generally stable only well above room temperature, rendering them unsuitable as solid-state electrolytes in energy-storage devices that typically oper ...
AMER CHEMICAL SOC2021Complexity of linear relaxations in integer programming
For a set X of integer points in a polyhedron, the smallest number of facets of any polyhedron whose set of integer points coincides with X is called the relaxation complexity rc(X). This parameter was introduced by Kaibel & Weltge (2015) and captures the ...
2020On some problems related to 2-level polytopes
In this thesis we investigate a number of problems related to 2-level polytopes, in particular from the point of view of the combinatorial structure and the extension complexity. 2-level polytopes were introduced as a generalization of stable set polytopes ...
EPFL2018Santosomes as natural and efficient carriers for the improvement of phycocyanin reepithelising ability in vitro and in vivo
New biocarriers, named santosomes, were formulated using Santolina insularis essential oil and hydrogenated phosphatidylcholine. They were modified by adding propylene glycol, a hydrophylic penetration enhancer, and loaded with phycocyanin, a protein found ...
Elsevier Science Bv2016On Sub-determinants and the Diameter of Polyhedra
Friedrich Eisenbrand, Martin Niemeier, Marco Di Summa, Nicolas Bonifas
We derive a new upper bound on the diameter of a polyhedron , where . The bound is polynomial in and the largest absolute value of a sub-determinant of , denoted by . More precisely, we show that the diameter of is bounded by . If is bounded, then we show ...
Springer2014Simulating Daylight Propagation through Complex Fenestration Systems in a Urban Context Using Variable Sampling Subdivision Scheme
Jean-Louis Scartezzini, Jérôme Henri Kämpf, Chantal Basurto Dávila
The use of Complex Fenestration Systems (CFS) within buildings can contribute to a significant reduction of cooling loads by the way of two assets: the redirection of daylight and the shading of sunrays. In order to back-up these features, daylight perform ...
EPFL Solar Energy and Building Physics Laboratory (LESO-PB)2013New Results in the Theory of Linear and Integer Programming
The polynomial Hirsch conjecture states that the vertex-edge diameter of a d-dimensional polyhedron with n facets is bounded by a polynomial in d and n. For the special case where the polyhedron is defined as the set of points satisfying a system Ax ≤ b of ...
EPFL2012Particle Manifold Method (PMM) for Multiscale Continuous-Discontinuous Analysis
It is important to consider the microstructure of a material when studying the macroscopic mechanical properties. Although special equipments have been used for micromechanics study through experimental tests, it is limited by instruments and reproducibili ...
EPFL2012On Polyhedral Projection and Parametric Programming
This paper brings together two fundamental topics: polyhedral projection and parametric linear programming. First, it is shown that, given a parametric linear program (PLP), a polyhedron exists whose projection provides the solution to the PLP. Second, the ...
2008New Low-Dimensional Iron(II) Phosphates Exhibiting Field-Dependent Magnetization Steps
A new family of transition-metal-contg. phosphates ANa3M7(PO4)6, where A = K, Rb, Cs and M = Mn, Fe, Co, was synthesized via high-temp. (650-800°), solid state reactions. Sizable single crystals up to 1 cm (∼160 mg) were grown for structure and property ch ...
2007