Every 2-dimensional spine of an aspherical 3-manifold has the nonpositive towers property, but every collapsed 2-dimensional spine of a 3-ball containing a 2-cell has an immersed sphere.Comment: 6 pages, 2 figure
By using Gromov's $\mu$-bubble technique, we show that the $3$-dimensional spherical caps are rigid ...
We introduce and initiate the study of a general class of $2d$ $\mathcal{N}=(0,2)$ quiver gauge theo...
Starting from a locally gentle bound quiver, we define on the one hand a simplicial complex, called ...
AbstractLet K2 be the geometric realization of {a: a3 = 1}. Then K2 is a 2-dimensional spine of a 3-...
A subcomplex $X\leq \mathcal{C}$ of a simplicial complex is strongly rigid if every locally injectiv...
We show that all PL manifolds of dimension ≥3 have spines similar to Bing’s house with two rooms. Be...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
We characterize homogeneous three-dimensional CR manifolds, in particular Rossi spheres, as critical...
We show that ten-dimensional closed simply connected positively curved manifolds with isometric effe...
For any $n\geq 2$, we prove that the $(2n+1)$-dimensional sphere admits a tight non-fillable contact...
When can surgery on a null-homologous knot K in a rational homology sphere produce a non-separating ...
We use global bifurcation techniques to establish the existence of arbitrarily many geometrically di...
We prove that the four-dimensional round sphere contains a minimally embedded hypertorus, as well as...
AbstractIf M is a compact PL manifold with boundary containing a subpolyhedron K in its interior, th...
n all dimensions n≥4 we construct explicit non-separating, locally flat, PL immersions of Sn−1↬Sn. I...
By using Gromov's $\mu$-bubble technique, we show that the $3$-dimensional spherical caps are rigid ...
We introduce and initiate the study of a general class of $2d$ $\mathcal{N}=(0,2)$ quiver gauge theo...
Starting from a locally gentle bound quiver, we define on the one hand a simplicial complex, called ...
AbstractLet K2 be the geometric realization of {a: a3 = 1}. Then K2 is a 2-dimensional spine of a 3-...
A subcomplex $X\leq \mathcal{C}$ of a simplicial complex is strongly rigid if every locally injectiv...
We show that all PL manifolds of dimension ≥3 have spines similar to Bing’s house with two rooms. Be...
In this paper we prove that the closed $4$-ball admits non-K\"ahler complex structures with strictly...
We characterize homogeneous three-dimensional CR manifolds, in particular Rossi spheres, as critical...
We show that ten-dimensional closed simply connected positively curved manifolds with isometric effe...
For any $n\geq 2$, we prove that the $(2n+1)$-dimensional sphere admits a tight non-fillable contact...
When can surgery on a null-homologous knot K in a rational homology sphere produce a non-separating ...
We use global bifurcation techniques to establish the existence of arbitrarily many geometrically di...
We prove that the four-dimensional round sphere contains a minimally embedded hypertorus, as well as...
AbstractIf M is a compact PL manifold with boundary containing a subpolyhedron K in its interior, th...
n all dimensions n≥4 we construct explicit non-separating, locally flat, PL immersions of Sn−1↬Sn. I...
By using Gromov's $\mu$-bubble technique, we show that the $3$-dimensional spherical caps are rigid ...
We introduce and initiate the study of a general class of $2d$ $\mathcal{N}=(0,2)$ quiver gauge theo...
Starting from a locally gentle bound quiver, we define on the one hand a simplicial complex, called ...