How to define this operator der Omega(A)?
22062
Define additional math operators to be typeset in roman
102125
Is there a function thats not in Big O and not in Big Omega?
38839
Exponential of the differential operator
6270
Poincaré inequality for a subspace of $H^1(\Omega)$
11971
How can I define a math operator behaving like \lim or \sum with limits?
129813
Is there an easy proof for ${\aleph_\omega} ^ {\aleph_1} = {2}^{\aleph_1}\cdot{\aleph_\omega}^{\aleph_0}$?
60004
Why is $\omega$ the smallest $\infty$?
59235
Finding eigenvalues of a differential operator
21881
Prove that $\forall\alpha\geq\omega$, $|L_\alpha|=|\alpha|$ without AC
136909
Functional Analysis: The rank of an operator detemines if it's a compact operator.
66299
Operator whose spectrum is given compact set
89057
How does one properly define the derivative of one operator-valued function?
56429
Extension of partial derivatives and the definition of $C^k(\overline{\Omega})$
63787
How to define a static operator<<?
82659
How to write $\delta (f(x))$ in terms of $\delta (x)$?
116751
Question about Fredholm operator
52791
Invertibility of an operator $T$ if $\|I-T\|<1$