Search Results - "Engel, Konrad"

An Identity Theorem for the Fourier–Laplace Transform of Polytopes on Nonzero Complex Multiples of Rationally Parameterizable Hypersurfaces by Engel, Konrad

“…A set S of points in R n is called a rationally parameterizable hypersurface if there is vector function σ : R n - 1 → R n having as components rational…”
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Integration over facet-simple polytopes by Engel, Konrad

“…We present an elementary approach for the computation of integrals of the form $$\int _{\mathcal {P}} f^{(n)}(\textbf{s} \cdot \textbf{x})\,\textbf{dx}$$ ∫ P f…”
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Bandwidth of Graphs Resulting from the Edge Clique Covering Problem by Engel, Konrad, Hanisch, Sebastian

“…Let $n,k,b$ be integers with $1 \le k-1 \le b \le n$ and let $G_{n,k,b}$ be the graph whose vertices are the $k$-element subsets $X$ of $\{0,\dots,n\}$ with…”
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Does the signal contribution function attain its extrema on the boundary of the area of feasible solutions? by Neymeyr, Klaus, Golshan, Azadeh, Engel, Konrad, Tauler, Romà, Sawall, Mathias

“…The signal contribution function (SCF) was introduced by Gemperline in 1999 and Tauler in 2001 in order to study band boundaries of multivariate curve…”
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Reconstruction of cell-electrode-adjacencies on multielectrode arrays by Engel, Konrad, Hanisch, Sebastian

“…The multichannel recordings of signals of many cells cultivated on a multielectrode array (MEA) impose some challenging problems. A meanwhile classic problem…”
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A dose optimization method for electron radiotherapy using randomized aperture beams by Engel, Konrad, Gauer, Tobias

“…The present paper describes the entire optimization process of creating a radiotherapy treatment plan for advanced electron irradiation. Special emphasis is…”
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Partition into almost straight trails by Birkholz, Harald, Engel, Konrad

“…Let G=(V,E) be a graph that is embedded in the plane, i.e. V is a finite vertex set of points in the plane and the edge set E is represented as a set of…”
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Recursive least squares with linear inequality constraints by Engel, Konrad, Engel, Sebastian

“…A new recursive algorithm for the least squares problem subject to linear equality and inequality constraints is presented. It is applicable for problems with…”
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A new algorithm for optimal multileaf collimator field segmentation by Engel, Konrad

“…We present a new efficient leaf sequencing algorithm for the generation of intensity maps by a nonnegative combination of segments. Intensity maps describe the…”
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Optimal matrix-segmentation by rectangles by Engel, Konrad

“…We study the problem of decomposing a nonnegative matrix into a nonnegative combination of 0-1-matrices whose ones form a rectangle such that the sum of the…”
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Projection inequalities for antichains by Engel, Konrad, Mitsis, Themis, Pelekis, Christos, Reiher, Christian

“…Let n be an integer with n ≥ 2. A set A ⊆ ℝ n is called an antichain (resp. weak antichain) if it does not contain two distinct elements x = ( x 1 , …, x n )…”
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Incremental Network Design with Minimum Spanning Trees by Engel, Konrad, Kalinowski, Thomas, Savelsbergh, Martin

“…Given an edge-weighted graph $G=(V,E)$ and a set $E_0\subset E$, the incremental network design problem with minimum spanning trees asks for a sequence of…”
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Comparison of electron IMRT to helical photon IMRT and conventional photon irradiation for treatment of breast and chest wall tumours by Gauer, Tobias, Engel, Konrad, Kiesel, Antje, Albers, Dirk, Rades, Dirk

“…Abstract Background and purpose Conventional irradiation of breast and chest wall tumours may cause high doses in underlying organs. Intensity-modulated…”
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Solution of a problem on non-negative subset sums by Engel, Konrad, Nardi, Caterina

“…Let n and r be positive integers with 1≤r≤n−1. Solving a problem of Chiaselotti–Marino–Nardi, which is a generalization of a problem of Manickam and Miklós, we…”
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Approximated matrix decomposition for IMRT planning with multileaf collimators by Engel, Konrad, Kiesel, Antje

“…A standard problem in intensity modulated radiation therapy is the representation of a given intensity matrix, i.e. a matrix of nonnegative integers, as a…”
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Automatic Actin Filament Quantification of Osteoblasts and Their Morphometric Analysis on Microtextured Silicon-Titanium Arrays by Matschegewski, Claudia, Staehlke, Susanne, Birkholz, Harald, Lange, Regina, Beck, Ulrich, Engel, Konrad, Nebe, J. Barbara

“…Microtexturing of implant surfaces is of major relevance in the endeavor to improve biorelevant implant designs. In order to elucidate the role of…”
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An identity theorem for the Fourier transform of polytopes on rationally parameterisable hypersurfaces by Engel, Konrad

“…Discrete & Computational Geometry 2022 A set $\mathcal{S}$ of points in $\mathbb{R}^n$ is called a rationally parameterisable hypersurface if…”
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The Dilworth Number of Auto-Chordal Bipartite Graphs by Berry, Anne, Brandstädt, Andreas, Engel, Konrad

“…The mirror (or bipartite complement ) mir ( B ) of a bipartite graph B = ( X , Y , E ) has the same color classes X and Y as B , and two vertices x ∈ X and y ∈…”
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A new algorithm for optimal multileaf collimator field segmentation : Multileaf collimators in radiation therapy by ENGEL, Konrad

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Preface by Brandstädt, Andreas, Engel, Konrad, Gronau, Hans-Dietrich, Labahn, Roger, Le, Van Bang, Pfender, Florian

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