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Article
Open AccessGeometry of color perception. Part 2: perceived colors from real quantum states and Hering’s rebit
Inspired by the pioneer work of H.L. Resnikoff, which is described in full detail in the first part of this two-part paper, we give a quantum description of the space P \(\mathcal{P}\) of perceived colors. We s...
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Chapter and Conference Paper
A Riemannian Fourier Transform via Spin Representations
We introduce a new Riemannian Fourier transform for color image processing. The construction involves spin characters and spin representations of complex Clifford algebras. Examples of applications to low-pass...
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Article
Sur l'intégration des équations différentielles holomorphes réduites en dimension deux
Le problème auquel on s'intéresse consiste à détecter parmi les formes réduites à l'origine deC 2 celles qui possèdent des intégrales premières liouvilliennes ou appartenant à la classe de Nilsson. Pour cela, on ...
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Article
Life-threatening haemorrhage from an ulcerated haemangioma: Treatment by transcutaneous in-situ sclerosis
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Article
Omphalocele in a newborn baby exposed to sodium valproate in utero
We report on a newborn baby, exposed to valproic acid in utero, with the typical dysmorphic features of the fetal valproate syndrome and omphalocele. One identical case has already been reported after valproic...
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Article
Coffin-siris syndrome with normal plasma biotinidase activity
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Article
Caffey disease responding to high-dose immunoglobulin
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Haemolytic uraemic syndrome associated with cryptosporidium oocysts
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Article
Cryptosporidium oocysts in immunocompetent children: Epidemiologic investigations in the day-care centers of Poitiers, France
The recent discovery of self-resolving Cryptosporidium infection in immunocompetent patients has aroused growing interest in this parasite, which has thus far been known to affect mainly immunodeficient individua...
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Article
Down syndrome with duplication of a region of chromosome 21 containing the CuZn superoxide dismutase gene without detectable karyotypic abnormality
We report the case of an 18-month-old boy with many typical Down syndrome features but a normal cytogenetic analysis. High-resolution banding techniques on lymphocytes and fibroblasts of the propositus and his...
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Article
Intraventricular tuberculoma
Four case of intraventricular tuberculoma (IVT) in children are here reported. In none of the patients was there clinical evidence pointing to the intraventricular location. CT scan findings comprised three st...
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Article
Rhino-orbital phycomycosis complicated by cerebral abscess
The incidence of phycomicosis has increased in the last decades. Its diagnosis is very difficult and usually not established ante morten. Early treatment is of crucial importance, because despite the antifunga...
