Piotr Godlewski

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This paper summarizes the work on implementing few solutions for the Steiner Tree problem which we undertook in the PAAL project. The main focus of the project is the development of generic implementations of approximation algorithms together with universal solution frameworks. In particular, we have implemented Zelikovsky 11/6-approximation using local(More)
Background. Chronic rotational instability of the knee after damage to the anterior cruciate ligament (ACL) fairly quickly produces undesirable secondary changes in the joint. Concomitant damage may affect the meniscus or the articular cartilage of the femoral condyle. The purpose of our study was to compare outcome in patients who had undergone one-stage(More)
BACKGROUND AND PURPOSE Surgical treatment of traumatic spinal injury should include fast and complete decompression of spinal cord and radices wits reduction of broken vertebral body, restoration of physiological spinal curvatures and spondylodesis of injured segments. Restoration of natural spinal curvatures is only possible when the height of broken(More)
In Orthopaedic University Department in Lublin in years 1993-1998 39 patients with thoraco-lumbar spine injuries were treated including 34 fractures and 5 luxations. All of them were treated by surgery. Complete neurological palsy (Frankel A) occurred in 16 patients. Grade E on Frankel scale e.g. no neurological symptoms was in 2 cases. The operations(More)
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