Search Results - "László, A."
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1
A Strongly Polynomial Algorithm for Generalized Flow Maximization
Published in Mathematics of operations research (01-02-2017)“…A strongly polynomial algorithm is given for the generalized flow maximization problem. It uses a new variant of the scaling technique called continuous…”
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2
A scaling-invariant algorithm for linear programming whose running time depends only on the constraint matrix
Published in Mathematical programming (01-03-2024)“…Following the breakthrough work of Tardos (Oper Res 34:250–256, 1986) in the bit-complexity model, Vavasis and Ye (Math Program 74(1):79–120, 1996) gave the…”
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3
Concave Generalized Flows with Applications to Market Equilibria
Published in Mathematics of operations research (01-05-2014)“…We consider a nonlinear extension of the generalized network flow model, with the flow leaving an arc being an increasing concave function of the flow entering…”
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4
Evaluation of biases in remote photoplethysmography methods
Published in NPJ digital medicine (03-06-2021)“…This work investigates the estimation biases of remote photoplethysmography (rPPG) methods for pulse rate measurement across diverse demographics. Advances in…”
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5
On circuit diameter bounds via circuit imbalances
Published in Mathematical programming (2024)“…We study the circuit diameter of polyhedra, introduced by Borgwardt, Finhold, and Hemmecke (SIAM J. Discrete Math. 29 (1), 113–121 (2015)) as a relaxation of…”
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6
Alcohol use disorder as a warning sign for depressive disorders in acute psychiatric care? hospitalization demographics in arad (ROMANIA)
Published in European psychiatry (01-04-2021)“…Introduction Screening for psychiatric disorders is the job of primary care providers. As such, general practice residents spend one month on psychiatry…”
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7
Environmentally-friendly ceramic bricks made from zeolite-poor rock and sawdust
Published in Construction & building materials (23-08-2021)“…•Zeolite-poor rock incorporated sawdust was used as an alternative for clay.•The addition of sawdust creates lightweight bricks with enhanced thermal…”
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8
Constant factor approximation for ATSP with two edge weights
Published in Mathematical programming (01-11-2018)“…We give a constant factor approximation algorithm for the Asymmetric Traveling Salesman Problem on shortest path metrics of directed graphs with two different…”
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Multimodal Feature Selection for Detecting Mothers' Depression in Dyadic Interactions with their Adolescent Offspring
Published in 2023 IEEE 17th International Conference on Automatic Face and Gesture Recognition (FG) (2023)“…Depression is the most common psychological disorder, a leading cause of disability world-wide, and a major contributor to inter-generational transmission of…”
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Wiener Index and Remoteness in Triangulations and Quadrangulations
Published in Discrete mathematics and theoretical computer science (01-01-2021)“…Let G be a connected graph. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices. We provide asymptotic…”
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On the Number of Nonisomorphic Subtrees of a Tree
Published in Journal of graph theory (01-01-2018)“…We show that a tree of order n has at most O(5n/4) nonisomorphic subtrees, and that this bound is best possible. We also prove an analogous result for the…”
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Counterexamples to a conjecture of Erdős, Pach, Pollack and Tuza
Published in Journal of combinatorial theory. Series B (01-11-2021)“…Erdős et al. (1989) [4] conjectured that the diameter of a K2r-free connected graph of order n and minimum degree δ≥2 is at most 2(r−1)(3r+2)(2r2−1)⋅nδ+O(1)…”
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13
The Cutting Plane Method is Polynomial for Perfect Matchings
Published in Mathematics of operations research (01-02-2016)“…The cutting plane approach to finding minimum-cost perfect matchings has been discussed by several authors over past decades. Its convergence has been an open…”
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14
A tanglegram Kuratowski theorem
Published in Journal of graph theory (01-02-2019)“…A tanglegram consists of two rooted binary plane trees with the same number of leaves and a perfect matching between the two leaf sets. Tanglegrams are drawn…”
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15
Complexation of β‑Cyclodextrin with a Gemini Surfactant Studied by Isothermal Titration Microcalorimetry and Surface Tensiometry
Published in Langmuir (17-06-2014)“…We report on the inclusion complex formation of β-cyclodextrin (βCD) with a cocogem surfactant (counterion-coupled gemini surfactant;…”
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16
Oriented Euler complexes and signed perfect matchings
Published in Mathematical programming (01-04-2015)“…This paper presents “oriented pivoting systems” as an abstract framework for complementary pivoting. It gives a unified simple proof that the endpoints of…”
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17
Extremal values of ratios: Distance problems vs. subtree problems in trees II
Published in Discrete mathematics (06-05-2014)“…We discovered a dual behavior of two tree indices, the Wiener index and the number of subtrees, for a number of extremal problems (Székely and Wang, 2006,…”
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18
An Infinite Antichain of Planar Tanglegrams
Published in Order (Dordrecht) (01-04-2022)“…Contrary to the expectation arising from the tanglegram Kuratowski theorem of Czabarka et al. (SIAM J. Discrete Math. 31 (3), 1732–1750, 2017 ), we construct…”
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Leadership skills training in Psychiatry: A European-based cross-sectional survey
Published in European psychiatry (01-06-2022)“…Introduction Leadership in healthcare organisations is crucial to continually improve and provide high quality compassionate care. Leadership development and…”
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Synthesis of 2-aryl-1,2,4-triazol-3-one derivatives from β-nitroenamines
Published in Synthetic communications (03-07-2021)“…The preparation of representatively selected 2-aryl-4,5-disubstituted-1,2,4-triazol-3-ones from cyclic β-nitroenamines in four steps is provided, with an…”
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