Search Results - "LOBATO, R. D"

Packing ellipsoids by nonlinear optimization by Birgin, E. G., Lobato, R. D., Martínez, J. M.

“…In this paper, continuous and differentiable nonlinear programming models and algorithms for packing ellipsoids in the n -dimensional space are introduced. Two…”
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A nonlinear programming model with implicit variables for packing ellipsoids by Birgin, E. G., Lobato, R. D., Martínez, J. M.

“…The problem of packing ellipsoids is considered in the present work. Usually, the computational effort associated with numerical optimization methods devoted…”
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Generating unconstrained two-dimensional non-guillotine cutting patterns by a Recursive Partitioning Algorithm by Birgin, E G, Lobato, R D, Morabito, R

“…In this study, a dynamic programming approach to deal with the unconstrained two-dimensional non-guillotine cutting problem is presented. The method extends…”
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An effective recursive partitioning approach for the packing of identical rectangles in a rectangle by Birgin, E G, Lobato, R D, Morabito, R

“…In this work, we deal with the problem of packing (orthogonally and without overlapping) identical rectangles in a rectangle. This problem appears in different…”
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Severe head injury and the risk of early death by Boto, G R, Gómez, P A, De La Cruz, J, Lobato, R D

“…Background: Severe head injury (SHI) is one of the most important health, social and economic problems in industrialised countries. Unfortunately, none of the…”
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Postraumatic frontal sinus obliteration with calvarial bone dust and demineralized bone matrix: a long term prospective study and literature review by Rodríguez, I.Z, Uceda, M.I.F, Lobato, R.D, Aniceto, G.S

“…Abstract Defining the ideal material for frontal sinus obliteration remains controversial. Autogenous cancellous bone is effective because of its biological…”
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A matheuristic approach with nonlinear subproblems for large-scale packing of ellipsoids by Birgin, E.G., Lobato, R.D.

“…•A matheuristic for packing a huge number of ellipsoids is introduced.•The flexibility of the approach allows considering a variety of constraints.•The…”
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Intraparenchymal schwannomas: Report of two new cases studied with MRI and review of the literature by Paredes, I, Jimenez Roldán, L, Ramos, A, Lobato, R.D, Ricoy, J.R

“…Abstract Intraparenchymal schwannomas are very rare tumours. We present two young adult patients operated for this type of lesion who show no signs of…”
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Risk factors predicting recurrence in patients operated on for intracranial meningioma. A multivariate analysis by Ayerbe, J, Lobato, R D, de la Cruz, J, Alday, R, Rivas, J J, Gómez, P A, Cabrera, A

“…The authors undertook a follow-up study of 286 patients who underwent surgical treatment for intracranial meningioma between 1973 and 1994, in order to analyse…”
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Intracranial hemangiopericytoma : Study of 12 cases by ALEN, J. F, LOBATO, R. D, GOMEZ, P. A, BOTO, G. R, LAGARES, A, RAMOS, A, RICOY, J. R

“…Most hemangiopericytomas (HPCs) are located in the musculoskeletal system and the skin, while the intracranial location is rare. They represent 2 to 4% in…”
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Stochastic hydro-thermal unit commitment via multi-level scenario trees and bundle regularization by Finardi, E. C., Lobato, R. D., de Matos, V. L., Sagastizábal, C., Tomasgard, A.

“…For an electric power mix subject to uncertainty, the stochastic unit-commitment problem finds short-term optimal generation schedules that satisfy several…”
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Mild head injury: differences in prognosis among patients with a Glasgow Coma Scale score of 13 to 15 and analysis of factors associated with abnormal CT findings by Gómez, P A, Lobato, R D, Ortega, J M, De La Cruz, J

“…We performed a retrospective study of 2484 consecutive patients with mild head injury (Glasgow Coma Scale score 13-15) who were seen during a period of 18…”
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Prognostic factors on hospital admission after spontaneous subarachnoid haemorrhage by Lagares, A, Gómez, P A, Lobato, R D, Alén, J F, Alday, R, Campollo, J

“…Factors related to prognosis after subarachnoid haemorrhage (SAH) have been mainly extracted from surgical series, and only few authors have considered these…”
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Spinal cord injury after blunt cervical spine trauma: correlation of soft-tissue damage and extension of lesion by Martínez-Pérez, R, Paredes, I, Cepeda, S, Ramos, A, Castaño-León, A M, García-Fuentes, C, Lobato, R D, Gómez, P A, Lagares, A

“…In patients with spinal cord injury after blunt trauma, several studies have observed a correlation between neurologic impairment and radiologic findings. Few…”
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Lhermitte-Duclos disease and Cowden disease: clinical and genetic study in five patients with Lhermitte-Duclos disease and literature review by Pérez-Núñez, A, Lagares, A, Benítez, J, Urioste, M, Lobato, R D, Ricoy, J R, Ramos, A, González, P

“…Lhermitte-Duclos Disease (LDD) is an infrequent cerebellar disorder characterized by focal or diffuse enlargement of cerebellar folia presenting as a slowly…”
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Lymphocytic hypophysitis with cystic MRI appearance by Pérez-Núñez, A, Miranda, P, Arrese, I, González, P, Ramos, A, Lobato, R D

“…Lymphocytic hypophysitis (LH) is an infrequent primary inflammatory disorder, which is usually diagnosed after surgery for lesions suspected to be pituitary…”
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A comparison of different grading scales for predicting outcome after subarachnoid haemorrhage by Lagares, A, Gómez, P A, Alen, J F, Lobato, R D, Rivas, J J, Alday, R, Campollo, J, de la Camara, A G

“…Most scales used to assess prognosis after subarachnoid haemorrhage (SAH) are based on the level of consciousness of the patient. Based on information from a…”
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Acute subdural and intratemporal hematoma as a complication of percutaneous compression of the gasserian ganglion for trigeminal neuralgia by Arrese, I., Lobato, R.D., Alen, J.F., Lagares, A., Miranda, P.

“…The case of a 68 year-old man who developed a fatal intracranial hemorrhagic complication following percutaneous compression of the gasserian ganglion for…”
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Head-injured patients who talk and deteriorate into coma : analysis of 211 cases studied with computerized tomography by LOBATO, R. D, RIVAS, J. J, GOMEZ, P. A, CASTANEDA, M, CANIZAL, J. M, SARABIA, R, CABRERA, A, MUNOZ, M. J

“…Of 838 patients with severe head injuries admitted since the introduction of computerized tomography, 211 (25.1%) talked at some time between trauma and…”
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Xanthogranuloma of the choroid plexus of the third ventricle: case report and literature review by Miranda, P., Lobato, R.D., Lagares, A., Ricoy, J.R., Ramos, A.

“…Xanthogranulomas of the choroids plexus (XG) are benign tumours of debatable etiology which become rarely symptomatic. Only few cases have been studied with…”
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