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jsmath
  • Member for 6 years, 5 months
  • Last seen more than a month ago
4 votes
0 answers
556 views

subgradient of composition

3 votes
1 answer
717 views

Is this strongly convex?

2 votes
3 answers
142 views

Second derivative bounded above

2 votes
1 answer
206 views

change order of limit

1 vote
1 answer
45 views

What does that mean $f(x) < f(\infty)$?

1 vote
0 answers
44 views

How to prove that every Donsker class is also a Glivenko-Cantelli class

1 vote
1 answer
57 views

How to prove a function is bounded above?

1 vote
2 answers
600 views

sum of strongly convex function and convex function with different domains

1 vote
0 answers
179 views

subdifferential of continuously differentiable function

1 vote
1 answer
52 views

What does $\lim_{n \to \infty} \frac{X'X}{n}=Q$ imply?

1 vote
2 answers
36 views

Composite function with integral

1 vote
1 answer
61 views

How to evaluate Euler-type integral

1 vote
0 answers
235 views

Sum rule of Dini derivative

1 vote
1 answer
128 views

Conflicting definitions of limit point in optimization and real analysis

1 vote
2 answers
954 views

sum of locally Lipschitz functions

1 vote
1 answer
26 views

Help to understand a proof of convex property

1 vote
1 answer
49 views

Is $\prod_{n=1}^\infty a_n=0$, $0 < a_n < 1$?

0 votes
0 answers
67 views

Subdifferential of (A+B) = Subdifferential (A) + Subdifferential (B)

0 votes
3 answers
544 views

Is a nonconvex function not locally Lipschitz?

0 votes
0 answers
310 views

Compute the Clarke subdifferential of a function

0 votes
1 answer
131 views

Directional derivative chain rule for nonsmooth function

0 votes
1 answer
36 views

Find and prove the limit of this sequence

0 votes
2 answers
68 views

Is the function $f(x)=\frac{x^2}{1-|x|}$ convex?

0 votes
1 answer
36 views

Is this function coercive after change of domain?

0 votes
0 answers
56 views

Nonincreasing sequence converges to?

0 votes
2 answers
51 views

Contrary argument on $\inf h(x)$

0 votes
2 answers
29 views

Limit of sequence and limit of function sequence

0 votes
2 answers
347 views

Every continuous function has directional derivative? [closed]

0 votes
0 answers
42 views

Local inverse function Theorem from $R \to R$

0 votes
0 answers
69 views

Orthogonal complement of direct sum of two orthogonal spaces