Search Results - "Boucetta, Mohamed"
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1
On the Hermitian structures of the sequence of tangent bundles of an affine manifold endowed with a Riemannian metric
Published in Complex manifolds (Warsaw, Poland) (01-01-2022)“…Let ( , ∇, , ) be a manifold endowed with a flat torsionless connection and a Riemannian metric , and ( the sequence of tangent bundles given by = ) and = . We…”
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2
On para‐Kähler Lie algebroids and contravariant pseudo‐Hessian structures
Published in Mathematische Nachrichten (01-07-2019)“…In this paper, we generalize all the results obtained on para‐Kähler Lie algebras in [3] to para‐Kähler Lie algebroids. In particular, we study exact…”
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3
THE MODULI SPACES OF LORENTZIAN LEFT-INVARIANT METRICS ON THREE-DIMENSIONAL UNIMODULAR SIMPLY CONNECTED LIE GROUPS
Published in Journal of the Korean Mathematical Society (2022)“…Let G be an arbitrary, connected, simply connected and unimodular Lie group of dimension 3. On the space (G) of left-invariant Lorentzian metrics on G, there…”
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The Geometry of the Sasaki Metric on the Sphere Bundles of Euclidean Atiyah Vector Bundles
Published in Mediterranean journal of mathematics (01-12-2020)“…Let ( M , ⟨ , ⟩ TM ) be a Riemannian manifold. It is well known that the Sasaki metric on TM is very rigid, but it has nice properties when restricted to T ( r…”
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5
Multiple Intracranial Tuberculomas
Published in The New England journal of medicine (20-10-2011)“…A previously healthy 17-year-old girl presented with a 2-month history of intermittent fevers, progressive headaches, generalized weakness, and weight loss…”
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6
Dislocation of the Cervical Spine
Published in The New England journal of medicine (20-05-2010)“…A 22-year-old man presented with a 10-day history of torticollis. Two months before presentation, he had fallen from standing height but did not report…”
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7
Solitary osteochondroma of the cervical spine presenting as recurrent torticollis
Published in The Pan African medical journal (2014)“…A 48-year-old man was referred to our unit for assessment of recurring episodes of painful torticollis. Family and past histories were unremarkable. There was…”
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Riemannian geometry of Lie algebroids
Published in Journal of the Egyptian Mathematical Society (01-04-2011)“…We introduce Riemannian Lie algebroids as a generalization of Riemannian manifolds and we show that most of the classical tools and results known in Riemannian…”
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9
Combined lumbar retroisthmic cleft and posterior ring apophysis separation in an adult
Published in The spine journal (01-08-2012)Get full text
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10
Giant brain tuberculoma mimicking a malignant tumor in a child
Published in The Pan African medical journal (2014)“…A 6-year-old boy, with no past medical history, presented with progressive headache, vomiting, right side weakness since 3 months without fever or seizures. On…”
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11
Subconjunctival hemorrhage as a complication of intraoperative positioning for lumbar spinal surgery
Published in The spine journal (01-03-2012)Get full text
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12
A rare tumour in the cerebellopontine angle: endolymphatic sac tumour
Published in The Pan African medical journal (2018)“…We present a case of a papillary tumour at the cerebellopontine angle in a 54-year-old man. He presented with right-sided ear pain associated with dizziness…”
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13
Eosinophilic granuloma of the cervical spine manifesting as torticollis in a child
Published in The Pan African medical journal (2014)“…A 10-year-old boy presented with torticollis and neck pain for 2 months without fever. His physical examination showed torticollis and limitation of…”
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14
Primary lymphoma of the cranial vault: case report and a systematic review of the literature
Published in Acta neurochirurgica (01-02-2012)“…Background Bone involvement is a common finding in many types of lymphoma. Cranial vault involvement is extremely rare, and the majority of patients are found…”
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15
Multiple isolated thoracic spinous process fractures (Clay-Shoveler’s fracture)
Published in The spine journal (01-05-2011)Get full text
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16
Nerve root herniation into a calcified pseudomeningocele after lumbar laminectomy
Published in The spine journal (01-03-2012)Get full text
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17
Chronic Subdural Hematoma Revealing Skull Metastasis
Published in Internal Medicine (01-01-2011)Get full text
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18
Pediatric intramedullary schwannoma without neurofibromatosis: case report
Published in Acta medica Iranica (2013)“…Pediatric intramedullary schwannoma without neurofibromatosis is extremely rare with only five cases reported so far. We present this rare finding in an…”
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Recurrent lumbosciatica because of cotton granuloma after surgery for lumbar disc herniation
Published in The spine journal (01-04-2011)Get full text
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20
On Einstein Lorentzian nilpotent Lie groups
Published in Journal of pure and applied algebra (01-12-2020)“…In this paper, we study Lorentzian left invariant Einstein metrics on nilpotent Lie groups. We show that if the center of such Lie groups is degenerate then…”
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