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Complex symmetric Toeplitz operators on the Hardy spaces and Bergman spaces
In this paper, we first completely characterize the complex symmetric Toeplitz operators \(T_\varphi \) ...
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Article
Disjoint hypercyclic and supercyclic composition operators on discrete weighted Banach spaces
In this paper, we characterize the disjoint hypercyclic and disjoint supercyclic composition operators on the little weighted Banach space $$L^0_\mu (...
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Article
Hypercyclic exponential of the differential operator on Banach spaces related to Fock spaces
In this note, we give the mixing, and therefore hypercyclic, property of the exponential of the differential operator on Banach spaces related to Fock spaces. Besides, we also characterize the mixing property ...
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Article
Complex symmetry of linear combinations of composition operators on the Fock space
In this paper, we solve a new problem about complex symmetry. We give a complete characterization of linear combinations of composition operators on the Fock space and the normality and self-adjointness for co...
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Article
On the generalized Chern conjecture for hypersurfaces with constant mean curvature in a sphere
Let M be a compact hypersurface with constant mean curvature in \({\mathbb{S}^{n + 1}}\) . Denote by H and S the mean curvature ...
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Article
A generalization of Pólya conjecture and Li–Yau inequalities for higher eigenvalues
We verify that if M is a compact minimal submanifold with boundary in a Cartan–Hadamard manifold N, then $$\sum \nolimits _{i=1}^{k}\lambda _i\ge \frac{2n\pi }{e}k^{\frac{n+2}{n}}{{\,\mathrm{vol}\,}}(M)^{-\frac{...
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Article
A new pinching theorem for complete self-shrinkers and its generalization
In this paper, we firstly verify that if Mn is an n-dimensional complete self-shrinker with polynomial volume growth in ℝn+1, and if the squared norm of the second fundamental form of M satisfies $$0\leqslant S ...