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dba
  • Member for 7 years
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7 votes
1 answer
1k views

Corollary of Hahn-Banach theorem regarding the norm

7 votes
3 answers
370 views

Alternate definition of Entropy

5 votes
0 answers
1k views

Euler-Lagrange equation with Lagrange multipliers

5 votes
1 answer
1k views

Understanding integration of k-forms

4 votes
1 answer
2k views

path connectedness implies connectedness

3 votes
0 answers
929 views

partially differentiable, but not continuous

3 votes
1 answer
700 views

Borel Functional Calculus of Commuting Operators

3 votes
1 answer
2k views

Understanding formula for hyperplanes

3 votes
2 answers
1k views

Example of an ODE with initial conditions

3 votes
2 answers
138 views

$G$ is an abelian group, and a permutation $T$. Suppose that $x-T(x)\neq y-T(y)$ for all $x\neq y$. Show that $p(x)=x-T(x)$ is also a permutation

3 votes
1 answer
454 views

Motivation Behind c-Convexity in Optimal Transport

2 votes
1 answer
136 views

Measure preserving function - unclear step in lecture

2 votes
1 answer
101 views

Lehman Scheffe and Conditioned Expectation

2 votes
0 answers
252 views

Total variation norm as an Operator norm

2 votes
2 answers
1k views

finite elements local vs global basisfunction

2 votes
1 answer
425 views

variational formulation of second order differential equation

2 votes
1 answer
371 views

Structure of an ill-conditioned matrix

2 votes
1 answer
1k views

Singular value decomposition of a compact operator, using matrix notation

2 votes
1 answer
357 views

Fubini's theorem and marginal measure

2 votes
1 answer
139 views

Counterexample for Cauchy Sequence

2 votes
1 answer
3k views

Norm on a Quotient Space

1 vote
1 answer
60 views

totally boundedness and continuous linear operators

1 vote
1 answer
498 views

Proof of Picard-Lindelöf

1 vote
0 answers
60 views

finite dimensional Banach space vs $\mathbb{R}^n$

1 vote
0 answers
54 views

Use of partial integration - uncertainty principle

1 vote
0 answers
48 views

Inverting a function that involves the norm

1 vote
2 answers
824 views

Definition of finite elements (Ciarlet)

1 vote
1 answer
60 views

transformation of 1st-order ODE to quadratic 1st order ODE

1 vote
0 answers
34 views

Entries of a matrix represented as a graph

1 vote
1 answer
169 views

Shift in Time Domain by altering Fourier-Coefficients