تصفح حسب الموضوع "Computational geometry"
السجلات المعروضة 1 -- 2 من 2
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From spheres to ellipsoids: Speeding up considerably the morphological modeling of pore space and water retention in soils
( Elsevier Ltd , 2019 , Article)In recent years, technological advances have stimulated researchers to try to unravel the extremely complex microscale processes that control the activity of microorganisms in soils. In particular, significant work has ... -
The inapproximability of illuminating polygons by α-floodlights
( Queen's University, Ontario, Canada , 2015 , Conference Paper)We consider variants of the art gallery problem where guard visibility is limited to a certain angular aperture-. We show that the problem is NP-hard even when guards can be located in the interior of the polygon. We then ...