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Each point $x$ in Gr$(r,n)$ corresponds to an $r \times n$ matrix $A_x$ which gives rise to a matroid $M_x$ on its columns. Gel'fand, Goresky, MacPherson, and Serganova showed that the sets $\{y \in \mathrm{Gr}(r,n) | M_y = M_x\}$ form a stratificati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5444a3b8d07f4cc3d74eee5934de75d
http://arxiv.org/abs/1908.01233
http://arxiv.org/abs/1908.01233
Autor:
Amy Barker, Ashley Wheeler, Vishal Madaan, Lindsey Corr, Brigette S. Vaughan, Christopher J. Kratochvil
Publikováno v:
Psychiatric Clinics of North America. 32:39-56
Attention deficit/hyperactivity disorder (ADHD) is a common and impairing psychiatric condition, affecting significant numbers of children and adolescents. General psychiatrists serve, both by choice and out of necessity, in the assessment and treatm