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Semilattice Base Hierarchy for Frames and Its Topological Ramifications
We develop a hierarchy of semilattice bases (S-bases) for frames. For a given (unbounded) meet-semilattice A , we analyze the interval in the coframe...
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Eigenvalue programming beyond matrices
In this paper we analyze and solve eigenvalue programs, which consist of the task of minimizing a function subject to constraints on the...
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Nonpositively Curved Surfaces are Loewner
We show that every closed nonpositively curved surface satisfies Loewner’s systolic inequality. The proof relies on a combination of the Gauss–Bonnet...
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Lower bound for KVol on the minimal stratum of translation surfaces
In this paper we are interested in algebraic intersection of closed curves of a given length on translation surfaces. We study the quantity KVol,...
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Boundary Rigidity, and Non-Rigidity, of Projective Structures
We investigate the property of boundary rigidity for the projective structures associated to torsion-free affine connections on connected smooth...
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Octonionic Calabi–Yau Theorem
On a certain class of 16-dimensional manifolds a new class of Riemannian metrics, called octonionic Kähler, is introduced and studied. It is an...
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On String Algebras and the Cohen–Macaulay Auslander Algebras
The Cohen–Macaulay Auslander algebra of an algebra A is defined as the endomorphism algebra of the direct sum of all indecomposable Gorenstein...
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Restriction Theorems and Strichartz Inequalities for the Laguerre Operator Involving Orthonormal Functions
In this paper, we prove restriction theorems for the Fourier–Laguerre transform and establish Strichartz estimates for the Schrödinger propagator
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Tubes containing string modules in symmetric special multiserial algebras
Symmetric special multiserial algebras are algebras that correspond to decorated hypergraphs with orientation, called Brauer configurations. In this...
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Addition–deletion results for plus-one generated curves
In the recent paper A. Dimca proves that when one adds to or deletes a line from a free curve, the resulting curve is either free or plus-one...
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Transitive generalized toggle groups containing a cycle
In (Striker in Discret Math Theor Comput Sci 20, 2018), Striker generalized Cameron and Fon-Der-Flaass’s notion of a toggle group. In this paper, we...
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A tropical-algebraic method for the control of timed event graphs with partial synchronization
This paper studies a scenario in which the occurrence of one or more events in a discrete event system is subject to external restrictions which may...
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A hybrid grey wolf optimizer for engineering design problems
Grey wolf optimizer (GWO) is one of the most popular metaheuristics, and it has been presented as highly competitive with other comparison methods....
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Improved kernelization and fixed-parameter algorithms for bicluster editing
Given a bipartite graph G , the Bicluster Editing problem asks for the minimum number of edges to insert or delete in G so that every connected...
