نتایج جستجو برای: schinzel equation
تعداد نتایج: 229987 فیلتر نتایج به سال:
Schinzel-Giedion syndrome is a rare autosomal recessive disorder characterized by coarse facies, midface retraction, hypertrichosis, multiple skeletal anomalies, and cardiac and renal malformations. Craniofacial abnormalities of this syndrome sometimes resemble a storage or metabolic disease. The pathogenesis of the disease remains unknown. The objective of this report was to emphasize the impo...
Other names: Schinzel-Giedion syndrome. Note: The use of the long form of the name, SchinzelGiedion midface retraction syndrome, is preferred to prevent confusion with Schinzel ulnar-mammary syndrome, a completely unrelated and clinically nonoverlapping condition also described by Dr Schinzel. Inheritance: Schinzel-Giedion midface retraction syndrome is presumed to be inherited as autosomal rec...
Other names: Schinzel-Giedion syndrome. Note: The use of the long form of the name, SchinzelGiedion midface retraction syndrome, is preferred to prevent confusion with Schinzel ulnar-mammary syndrome, a completely unrelated and clinically nonoverlapping condition also described by Dr Schinzel. Inheritance: Schinzel-Giedion midface retraction syndrome is presumed to be inherited as autosomal rec...
We report two Japanese patients with Schinzel-Giedion syndrome. When polyhydramnios is observed, additional fetal findings such as overlapping fingers, hydrocephalus, hydronephrosis, and very characteristic facial appearance comprising high, prominent forehead, hypertelorism, and depressed nasal root may suggest Schinzel-Giedion syndrome.
Schinzel-Giedion syndrome is a rare autosomal dominant disorder comprising postnatal growth failure, profound developmental delay, seizures, facial dysmorphisms, genitourinary, skeletal, neurological, and cardiac defects. It was recently revealed that Schinzel-Giedion syndrome is caused by de novo mutations in SETBP1, but there are few reports of this syndrome with molecular confirmation. We de...
We survey in detail extremal results on Davenport–Schinzel sequences and their generalizations, from the seminal papers of H. Davenport and A. Schinzel in 1965 to present. We discuss geometric and enumerative applications, generalizations to colored trees, and generalizations to hypergraphs. Eleven illustrative examples with proofs are given and nineteen open problems are posed.
It is well known that the regular continued fraction expansion of a quadratic irrational is symmetric about its centre; we refer to this symmetry as horizontal. However, an additional vertical symmetry is exhibited by the continued fraction expansions arising from a family of quadratics known as Schinzel sleepers. This paper provides a method for generating every Schinzel sleeper and investigat...
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