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jsmath
  • Member for 6 years, 6 months
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1 vote
2 answers
964 views

sum of locally Lipschitz functions

2 votes
1 answer
724 views

Is this strongly convex?

1 vote
2 answers
603 views

sum of strongly convex function and convex function with different domains

4 votes
0 answers
568 views

subgradient of composition

0 votes
3 answers
553 views

Is a nonconvex function not locally Lipschitz?

0 votes
2 answers
358 views

Every continuous function has directional derivative? [closed]

0 votes
0 answers
312 views

Compute the Clarke subdifferential of a function

1 vote
0 answers
235 views

Sum rule of Dini derivative

2 votes
1 answer
206 views

change order of limit

1 vote
0 answers
180 views

subdifferential of continuously differentiable function

2 votes
3 answers
142 views

Second derivative bounded above

0 votes
1 answer
131 views

Directional derivative chain rule for nonsmooth function

1 vote
1 answer
128 views

Conflicting definitions of limit point in optimization and real analysis

0 votes
2 answers
83 views

Does $\frac{1}{n}\sum_{i=1}^n x_i \to s$ imply $\frac{\max_{1\le i\le n} x_i}{\sum_{i=1}^n x_i} \to 0$? [closed]

0 votes
0 answers
71 views

Orthogonal complement of direct sum of two orthogonal spaces

-2 votes
1 answer
71 views

Null space and related question

0 votes
2 answers
68 views

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

0 votes
0 answers
67 views

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

0 votes
1 answer
63 views

Manipulation of $\limsup$

1 vote
1 answer
61 views

How to evaluate Euler-type integral

0 votes
0 answers
60 views

Example of nonconvex function with nonempty subgradient [duplicate]

1 vote
1 answer
58 views

How to prove a function is bounded above?

1 vote
0 answers
57 views

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

0 votes
0 answers
56 views

Nonincreasing sequence converges to?

1 vote
1 answer
52 views

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

0 votes
2 answers
51 views

Contrary argument on $\inf h(x)$

1 vote
1 answer
49 views

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

0 votes
0 answers
46 views

How to bound a function?

1 vote
1 answer
45 views

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

0 votes
0 answers
42 views

Local inverse function Theorem from $R \to R$