D. C. Antonopoulos

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We consider the ‘classical’ Boussinesq system of water wave theory, which belongs to the class of Boussinesq systems modelling two-way propagation of long waves of small amplitude on the surface of water in a horizontal channel. (We also consider its completely symmetric analog). We discretize the initial-boundary-value problem for these systems,(More)
We report a case of a seventy-five years old male patient with a squamous cell carcinoma (SCC) originated from the right external ear four years ago. He was undergone surgical removal of the lesion with a combination of modified neck dissection and reconstruction with the use of pectoralis major flap. Furthermore, he had radiotherapy with 6000 rads of the(More)
Reconstruction of total nasal defects remains one of the most difficult problems in plastic surgery as the nose combines aesthetics and function. Standard techniques using either forehead or nasolabial flaps do not have a place in the case of extensive scarring on the face or areas with high risk of cancer recurrence on the face. In these cases,(More)
BACKGROUND Reconstruction of enormous composite defects of the face in the presence of meningitis is a difficult problem. We present a case of a 29-year-old man with a huge, posttraumatic bone and soft tissue defect of the upper half of the left side of the face (orbit-zygoma-frontal-partial temporal bones), frontal lobe of the brain, and enucleated eye(More)
BACKGROUND Perioperative myocardial infarction (MI) is an important risk factor for cardiac morbidity and mortality after hip surgery. On the basis of the limitations of creatine kinase cardiac muscle isoenzyme (CK-MB) in the perioperative setting, and the high specificity of troponin I, we hypothesized that troponin I would be effective at detecting(More)
In this paper we consider the one-parameter family of Bona-Smith systems, which belongs to the class of Boussinesq systems modelling two-way propagation of long waves of small amplitude on the surface of water in a channel. We study three initial-boundary-value problems for these systems, corresponding, respectively, to nonhomogeneous Dirichlet, reflection,(More)
One hundred ninety-six patients with Dupuytren's contractures were treated by partial fasciectomy and adequate postoperative rehabilitation. All patients had flexion contracture of the proximal interphalangeal joint of >20 degrees ; 93 patients had flexion contracture of the associated metacarpophalangeal joint of >30 degrees ; 143 patients had risk factors(More)