manuscripta mathematica
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Deformations of smooth toric surfaces
manuscripta mathematica - Tập 134 - Trang 123-137 - 2010
For a complete, smooth toric variety Y, we describe the graded vector space
$${T_Y^1}$$
. Furthermore, we show that smooth toric surfaces are unobstructed and that a smooth toric surface is rigid if and only if it is Fano. For a given toric surface we then construct homogeneous deformations by means of Mi......
Three-dimensional Ricci-degenerate Riemannian manifolds satisfying geometric equations
manuscripta mathematica - Tập 169 - Trang 401-423 - 2021
In this paper, we study a three-dimensional Ricci-degenerate Riemannian manifold
$$(M^3,g)$$
that admits a smooth nontrivial solution f to the equation
1
$$\begin{aligned} \nabla df=\psi Rc+\phi g, \end{aligned}$......
Galois module structure of the units modulo $$p^m$$ of cyclic extensions of degree $$p^n$$
manuscripta mathematica - Tập 171 - Trang 295-345 - 2022
Let p be prime, and
$$n,m \in \mathbb {N}$$
. When K/F is a cyclic extension of degree
$$p^n$$
, we determine the
$$\mathbb {Z}/......
A note on the kernel of the $$\bar \partial $$ -Neumann operator on strongly pseudo-convex domains
manuscripta mathematica - Tập 62 Số 4 - Trang 437-447 - 1988
Adjunctions in monoidal categories
manuscripta mathematica - Tập 26 - Trang 123-139 - 1978
We consider the notion of an adjunction in a monoidal category. Whereas most of the theory of adjunctions in 2-categories carries over to this case, there are also some new phenomena specific to the monoidal case. The applications include some formal aspects in the Spanier-Whitehead duality of spectra as well as bilinear forms on modules.
Sine-Laplace equation, sink - Laplace equation and harmonic maps
manuscripta mathematica - Tập 40 Số 2-3 - Trang 205-216 - 1982
Common multiples of operator polynomials with analytic coefficients
manuscripta mathematica - Tập 25 - Trang 279-314 - 1978
This paper describes the main properties of analytic common monic left multiples of a system of monic operator polynomials whose coefficients depend analytically on ε.
Deux remarques sur les flots riemanniens
manuscripta mathematica - Tập 51 - Trang 145-161 - 1985
Let M be a connected oriented closed n-manifold. A riemannian flow
$$\mathfrak{F}$$
on M is an oriented one dimensional foliation which admits a bundle-like metric. We give a caracterization of isometric flows as riemannian flows whose basic cohomology H
b
n−1
......
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