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4h ago
(post deleted or otherwise unavailable)
— Huizeng qin
112
7h ago
(post deleted or otherwise unavailable)
— Necip Sariali
11
9h ago
Prove that if $p(A)=0$ where A is a matrix of a linear operator ($A \in L(V)$), $p(\lambda)=0$ if $\lambda \in \sigma(A)$
— Shil B.
655
10h ago
Proving that Euclidean space having the infinity metric is a complete metric space (stuck)
— Euclid's Compass
154
20h ago
If a number is a square modulo $n$, then it is also a square modulo any of $n$'s factors
— user78535
1012
1d ago
If $K$ is compact, then $C(K,\mathbb{R}^n)$ is a Banach space under the norm $\|f\|=\sup_{x\in K} \|f(x)\|$
— user73681
262
1d ago
If $K$ is compact, then $C(K,\mathbb{R}^n)$ is a Banach space under the norm $\|f\|=\sup_{x\in K} \|f(x)\|$
— Neon
213
1d ago
(post deleted or otherwise unavailable)
— Xipan Xiao
11
1d ago
Find for all value of constant $a>0$; the interval of convergence of the power series $\sum_{n=0}^{\infty}\frac{1}{1+a^{n}}x^{n}$
— AjmalW
11
