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Almost sure convergence of quadratic form x'Ax

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0 $begingroup$ Let $x_n$ be an $ntimes 1$ vector of random variables, and $A_n=(a_{ij,n})$ be an $ntimes n$ constant matrix. Suppose that $n^{-1}x_n'x_n$ converges almost surely to some limit as $nrightarrow infty$ . What conditions are needed for $A_n$ in order to establish almost sure converge of $n^{-1}x_n'A_nx_n$ ? probability-theory convergence probability-limit-theorems strong-convergence share | cite | improve this question edited Jan 22 at 19:57 Tina asked Jan 22 at 19:46

936

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IX secolo  · X secolo  · XI secolo Anni 910  · Anni 920  · Anni 930  · Anni 940  · Anni 950 932  · 933  · 934  · 935  · 936  · 937  · 938  · 939  · 940 Il 936 (CMXXXVI in numeri romani) è un anno bisestile del X secolo. 936 negli altri calendari Calendario gregoriano 936 Ab Urbe condita 1689 (MDCLXXXIX) Calendario armeno 384 — 385 Calendario bengalese 342 — 343 Calendario berbero 1886 Calendario bizantino 6444 — 6445 Calendario buddhista 1480 Calendario cinese 3632 — 3633 Calendario copto 652 — 653 Calendario ebraico 4695 — 4696 Calendario etiopico 928 — 929 Calendario induista Vikram Samvat Shaka Samvat Kali Yuga 991 — 992 858 — 859 4037 — 4038 Calendario islamico 324 — 325 Calendario persiano 314 — 315 Indice 1 Eventi 2 Nati 3 Morti 4 Calendario 5 Altri progetti Eventi | Finisce il pontificato di Papa Giovanni XI Ini