Questions tagged [reference-request]
This tag is for questions seeking external references (books, articles, etc.) about a particular subject. Please do not use this as the only tag for a question.
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Is there a book that describes the revised dual simplex method?
I am looking for a reference of any kind, which describes the revised dual simplex method.
I know the primal simplex method (revised and tableau), and I think I understand the dual simplex tableau ...
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votes
1
answer
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Looking for hard differential calculus problems [closed]
I am looking for Calc 1 problems to practice for my final exam.
My course is purely about differential calculus, and all the exercises I am interested in are proof-based. Ideally I want interesting, ...
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Approximating sequences of simple r.v.'s by martingales
Let $(X,\mathcal B,P)$ be the probability space with $X=[0,1],ドル $\mathcal B$ the Borel $\sigma$-algebra and $P$ the Lebesgue measure.
Consider an arbitrary sequence $(X_n)_{n\ge1}$ of simple random ...
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Reference for a solution of a PDE optimal control problem
Consider the boundary value problem on $\mathbb{R}^n\times [0,T],T>0$
$$
\begin{cases}
\partial_tu(x,t)+\mathcal{A} u(x,t)+f(x,t,\delta)=0\\
u(x,T)=0
\end{cases}
$$
where $\delta:\mathbb{R}^n\times ...
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$w_2(V)^2=p_1(V) \mod 4$ for $SO(3)$ bundles
Let $V\to X$ be a real vector bundle with structure group $SO(3)$. Why does the second Stiefel-Whitney class satisfies $$ w_2(V)^2=p_1(V) \mod 4?$$
This is asserted in p.41 of Donaldson & ...
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Book with "System of Multivariable Congruences" Chapters [closed]
Does anyone know which book could provide relevant insights in solving this system of 2 congruence equations in 4 variables:
\begin{cases}
a^2+b^2\delta -c^2-d^2 \delta \equiv n \pmod{p^q} \\
2ab - ...
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Reference request for Fourier analysis on Minkowski spaces
I am interested in studying Fourier analysis on the setting of $\left(\Bbb{R}^{p+q}, [\cdot,\cdot]_{p,q}\right)$ where $$[x,y]_{p,q}:=\sum_{m=1}^p x_my_m - \sum_{m=p+1}^q x_my_m\:.$$
I would like to ...
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2
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Volterra Integral Equation
I have found a Volterra integral equation of the first kind of the following type:
$$y(r)=\int_0^r,円K(t,r),円f(t,r),円\mathrm dt,$$
in which my unknown function is $f(t,r)$. I have tried to find ...
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0
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Regularizing an exponential integral
Is there any way of regularizing the following integral and showing equality?
$$\int \int \int_{\mathbb{R}^3} \exp \left (- i (k_1+k_2)(k_2+k_3)(k_3+k_1) \right ) ,円 dk_1 dk_2 dk_3 = \frac{2 \pi \ln ...
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References for formal schemes and superschemes
I am looking for bibliography to learn about formal schemes and superschemes. I have seen that Hartshorne includes a subchapter about the first, but maybe there exists some better reference. I do not ...
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1
answer
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Does the Radical Axis of the Circumcircle and the Miquel Circle of a Cyclic Quadrilateral Coincide with the Steiner Line?
A few months ago, while experimenting with GeoGebra, I came across what looks like an interesting property:
In a cyclic quadrilateral, the radical axis of the circle through the four vertices and the ...
9
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Reference request of Calabi-Yau theory
I and my friend want to run a representation-theory-oriented as well as geometry-motivated reading seminar on Calabi-Yau theory.
To be precise, we want to learn the Kähler-Einstein aspect of Calabi-...
5
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2
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172
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Relationship between boundary convergence of a power series and its derivative
Let
$
f(z)=\sum\limits_{n\ge 0} a_n z^n
$
be a power series with radius of convergence $R>0$. Define
$
S_0=\{z\in\mathbb{C}:|z|=R,\ \text{the series for } f(z)\ \text{converges}\},
$
and
$
S_1=\{z\...
6
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1
answer
381
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Book Recommendation for Vector Bundles
I am interested in learning more about general vector bundle theory. More specifically, vector bundles of class $C^k$ for $k\in\mathbb{N}$ or $C^\infty$ or real-analytic whose fibers can be given the ...
3
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0
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Definition of hyperprojective sets
I've seen two definitions of hyperprojective sets:
sets that are both inductive and co-inductive (cf. p.315 of Moschovakis's book);
sets that belong to the smallest $\sigma$-algebra that contains ...