Results 11 to 20 of about 17,677 (248)

Testing BOI and BOB algorithms for solving the Winner Determination [PDF]

open access: yes, 2008
Eighth International Conference on Hybrid Intelligent Systems, 2008. HIS '08. Barcelona, 10-12 September 2008Combinatorial auctions are a promising auction format for allocating radio spectrum, as well as other goods.
Sáez, Yago   +9 more
core   +1 more source

Genomic Analysis of SARS-CoV-2 Alpha, Beta and Delta Variants of Concern Uncovers Signatures of Neutral and Non-Neutral Evolution

open access: yesViruses, 2022
Due to the emergence of new variants of the SARS-CoV-2 coronavirus, the question of how the viral genomes evolved, leading to the formation of highly infectious strains, becomes particularly important. Three major emergent strains, Alpha, Beta and Delta,
Monika Klara Kurpas   +3 more
doaj   +1 more source

Multiple recurrence and large intersections for abelian group actions

open access: yesDiscrete Analysis, 2021
Multiple recurrence and large intersections for abelian group actions, Discrete Analysis 2021:18, 91 pp. In 1975, Szemerédi proved his famous theorem that asserts that for every positive integer $k$ and every $\delta>0$ there exists $n$ such that every ...
Ethan Ackelsberg   +2 more
doaj   +1 more source

Research and Implementation of Hungarian Method Based on the Structure Index Reduction for DAE Systems

open access: yesJournal of Algorithms & Computational Technology, 2014
Hungarian method is a classical method for solving assignment problems. It also can be widely used in other problems, such as matching problem. This paper researches its application on using structural index reduction method to solve high-index DAEs ...
Yan Zeng, Xuesong Wu, Jianwen Cao
doaj   +1 more source

The coefficients of transitivity of the posets of MM-type being the highest supercritical poset

open access: yesНауковий вісник Ужгородського університету. Серія: Математика і інформатика, 2022
The representations of partially ordered sets (abbreviated as posets), introduced by L. A. Nazarova and A. V. Roiter (in matrix form) in 1972, play an important role in the modern representation theory. In his first paper on this topic M. M.
В. М. Бондаренко   +2 more
doaj   +1 more source

Comitative inter-state communication: linguoideological analysis of coordinative vs. subordinate relations between Germany and Turkey in the newspaper narrative on the migration crisis in the European union [PDF]

open access: yesАктуальные проблемы филологии и педагогической лингвистики, 2018
The article deals with the extrapolation of the comitative concept into the area of the critical discourse analysis. In сommunication the comitative seme “Joint Action” is supplemented by various (coordinative and subordinate) connotations, which are ...
Milostivaya Alexandra I.
doaj   +1 more source

Diagonal Forms, Linear Algebraic Methods and Ramsey-Type Problems [PDF]

open access: yes, 2013
This thesis focuses mainly on linear algebraic aspects of combinatorics. Let N_t(H) be an incidence matrix with edges versus all subhypergraphs of a complete hypergraph that are isomorphic to H. Richard M.
Wong, Wing Hong Tony
core   +1 more source

Limits on Computationally Efficient VCG-Based Mechanisms for Combinatorial Auctions and Public Projects [PDF]

open access: yes, 2011
A natural goal in designing mechanisms for auctions and public projects is to maximize the social welfare while incentivizing players to bid truthfully.
Buchfuhrer, David Isaac
core   +1 more source

How to allocate Research (and other) Subsidies [PDF]

open access: yes, 2010
A budget-constrained buyer wants to purchase items from a short-listed set. Items are differentiated by observable quality and sellers have private reserve prices for their items. The buyer’s problem is to select a subset of maximal quality.
Giebe, Thomas, Ensthaler, Ludwig
core   +2 more sources

Quantitative invertibility of random matrices: a combinatorial perspective

open access: yesDiscrete Analysis, 2021
Quantitative invertibility of random matrices: a combinatorial perspective, Discrete Analysis 2021:10, 38 pp. This paper concerns the general and much studied question of how likely a large random real or complex square matrix is to be invertible, and ...
Vishesh Jain
doaj   +1 more source

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