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Upper Bounds for Volumes of Generalized Hyperbolic Polyhedra and Hyperbolic Links
Call a polyhedron in a three-dimensional hyperbolic space generalized if finite, ideal, and truncated vertices are admitted. By Belletti’s theorem...
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Upper Bounds for the Spectral Radius of a PF Matrix
The paper suggests and illustrates a simple unified approach to deriving upper bounds for the dominant eigenvalues of the so-called PF matrices (or...
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Upper bounds of the logarithmic coefficients for some subclasses of analytic functions
Due to the major importance of the study of the logarithmic coefficients for univalent functions, in this paper we find the sharp upper bounds for...
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Two upper bounds for the Erdős-Hooley Delta-function
For integer n ⩾ 1 and real u , let Δ( n , u ):= ∣{ d : d ∣ n , e u < d ⩽ e u +1 }∣. The Erdős-Hooley Delta-function is then defined by Δ( n ):=max u ∈ℝ Δ( n , u ). We...
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Upper Bounds in Terms of Minimum Degree
As previously mentioned, since the decision problems related to the domination number, the total domination number, and the independent domination...
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Upper bounds for Fekete–Szegö functional
In this present investigation, with the help of the Sălăgean differential operator and the Hadamard product, we define new subclasses of analytic...
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Uniform Upper Bounds on Courant Sharp Neumann Eigenvalues of Chain Domains
We obtain upper bounds on the number of nodal domains of Laplace eigenfunctions on chain domains with Neumann boundary conditions. The chain domains...
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Anchored heat kernel upper bounds on graphs with unbounded geometry and anti-trees
We derive Gaussian heat kernel bounds on graphs with respect to a fixed origin for large times under the assumption of a Sobolev inequality and...
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New upper bounds for the dominant eigenvalue of a matrix with Perron–Frobenius property
In this paper, we derive some upper bounds for the dominant eigenvalue of a matrix with some negative entries, which possess the Perron–Frobenius...
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Subnetwork constraints for tighter upper bounds and exact solution of the clique partitioning problem
We consider a variant of the clustering problem for a complete weighted graph. The aim is to partition the nodes into clusters maximizing the sum of...
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Orbifolds and Manifold Quotients with Upper Curvature Bounds
We characterize Riemannian orbifolds with an upper curvature bound in the Alexandrov sense as reflectofolds, i.e., Riemannian orbifolds all of whose...
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Upper and Lower Bounds for the Height of Proofs in Sequent Calculus for Intuitionistic Logic
Upper and lower bounds for the height of proofs in sequent calculus for intuitionistic logic are proved for the case when cut formulas may only...
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Upper bounds for the number of isolated critical points via the Thom–Milnor theorem
We apply the Thom–Milnor theorem to obtain the upper bounds on the amount of isolated (1) critical points of a potential generated by several fixed...
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Generalized Upper Bounds Estimation of Numerical Radius and Norm for the Sum of Operators
We give some generalized upper bounds for the numerical radius and usual operator norm of the sum of two Hilbert space operators. These inequalities...
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Upper Bounds for ‖A−1Q‖∞
The paper suggests a general approach to deriving upper bounds for ‖ A −1 Q ‖ ∞ from those for ‖ A −1 ‖ ∞ for matrices A belonging to different subclasses of...
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Sharp Gaussian upper bounds for Schrödinger heat kernel on gradient shrinking Ricci solitons
On gradient shrinking Ricci solitons, we observe that the study of Schrödinger heat kernel seems to be more natural than the classical heat kernel....