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A cost minimization analysis of the implementation of the international lung screening trial in Catalonia (Spain). [PDF]
Rosell A +10 more
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Weighting health-related estimates in the GCAT cohort and the general population of Catalonia. [PDF]
Blay N +6 more
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Characterising Negative Symptoms in Schizophrenia: CHANSS study protocol
Wolpe N +26 more
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Coincidences of Catalan and q-Catalan Numbers
Integers, 2011AbstractLet
Paul Thomas Young, Florian Luca
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2015
The most important special case of Dyck words comes when \( a=b \) so that the words have the same number of dominant and nondominant letters. A slight variation on these Dyck words is ballot , which we also define here for completeness.
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The most important special case of Dyck words comes when \( a=b \) so that the words have the same number of dominant and nondominant letters. A slight variation on these Dyck words is ballot , which we also define here for completeness.
openaire +2 more sources
Catalan Numbers, Their Generalization, and Their Uses
The Mathematical Intelligencer, 1991The authors are concerned with four enumeration problems all involving the numbers \(f(p,n)=(pn)!/n!(pn-n+1)!\) for positive integers \(p-1\) and \(n\). (1) Let \(a(p,n)\) be the number of planted plane trees having exactly \(n\) vertices with out-degree \(n\).
Jean Pedersen, Peter Hilton
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