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- Jürgen Kreuzwieser, Evanthia Papadopoulou, Heinz Rennenberg
- Plant biology
- 2004

Waterlogging and flooding cause oxygen deprivation in the root system of trees. Since oxygen is essentially for mitochondrial respiration, this process cannot be maintained under anoxic conditions and must be replaced by other pathways. For the roots it is therefore a matter of survival to switch from respiration to alcoholic fermentation. Due to the low… (More)

- Evanthia Papadopoulou
- Int. J. Comput. Geometry Appl.
- 1996

This paper presents a simple O(n + k) time algorithm to compute the set of k non-crossing shortest paths between k source-destination pairs of points on the boundary of a simple polygon of n vertices. Paths are allowed to overlap but are not allowed to cross in the plane. A byproduct of this result is an O(n) time algorithm to compute a balanced geodesic… (More)

- Evanthia Papadopoulou
- Algorithmica
- 2003

We study the Hausdorff Voronoi diagram of point clusters in the plane, a generalization ofVoronoi diagrams based on the Hausdorff distance function. We derive a tight combinatorial bound on the structural complexity of this diagram and present a plane sweep algorithm for its construction. In particular, we show that the size of the Hausdorff Voronoi diagram… (More)

- Evanthia Papadopoulou, Charles Tzu-Chi Lee
- Int. J. Comput. Geometry Appl.
- 2004

We study the Hausdorff Voronoi diagram of a set S of polygonal objects in the plane, a generalization of Voronoi diagrams based on the maximum distance of a point from a polygon, and show that it is equivalent to the Voronoi diagram of S under the Hausdorff distance function. We investigate the structural and combinatorial properties of the Hausdorff… (More)

- Evanthia Papadopoulou, Charles Tzu-Chi Lee
- IEEE Trans. on CAD of Integrated Circuits and…
- 1999

- Evanthia Papadopoulou, Charles Tzu-Chi Lee
- Int. J. Comput. Geometry Appl.
- 2001

- Evanthia Papadopoulou
- ISPD
- 2000

We address the problem of computing critical area for missing material defects in a circuit layout. The extraction of critical area is the main computational problem in very large scale integration yield prediction. Missing material defects cause open circuits and are classified into breaks and via blocks. Our approach is based on the medial axis of… (More)

- Evanthia Papadopoulou, Steven E. J. Bell
- Chemistry
- 2012

Unlabelled single- and double-stranded DNA (ssDNA and dsDNA, respectively) has been detected at concentrations ≥10(-9) M by surface-enhanced Raman spectroscopy. Under appropriate conditions the sequences spontaneously adsorbed to the surface of both Ag and Au colloids through their nucleobases; this allowed highly reproducible spectra with good… (More)

- Evanthia Papadopoulou, Charles Tzu-Chi Lee
- ISPD
- 1998

In this paper we present a new approach for computing the critical area for shorts in a circuit layout. The critical area calculation is the main computational problem in VLSI yield prediction. The method is based on the concept of Voronoi diagrams and computes the critical area for shorts (for all possible defect radii, assuming square defects) accurately… (More)

- Charles Tzu-Chi Lee, Evanthia Papadopoulou
- Inf. Process. Lett.
- 1993