Results 81 to 90 of about 2,956 (213)

Existence result for the CR-Yamabe equation

open access: yesBruno Pini Mathematical Analysis Seminar, 2013
In this note we will prove that the CR-Yamabe equation has infinitely many changing-sign solutions. The problem is variational but the associated functional does not satisfy the Palais-Smale compactness condition; by mean of a suitable group action we ...
Vittorio Martino
doaj  

The effectiveness of electromagnetic terahertz radiation use in the treatment of patients with rapidly progressive periodontitis [PDF]

open access: yesСаратовский научно-медицинский журнал, 2015
The aim: to increase the efficiency of treatment of patients with rapidly progressive periodontitis (RPP) using electromagnetic radiation at terahertz frequencies of molecular spectrum of radiation and absorption of nitric oxide 150,176-150,664 GHz ...
Zelenova A.V.   +3 more
doaj  

Existence and multiplicity of nontrivial solutions for double resonance semilinear elliptic problems

open access: yesElectronic Journal of Differential Equations, 2002
We consider resonance problems at an arbitrary eigenvalue of the Laplacien. We prove the existence of nontrivial solutions for some semilinear elliptic Dirichlet boundary values problems. We also obtain two nontrivial solutions by using Morse theory.
Abdel R. El Amrouss
doaj  

Variable selection, monotone likelihood ratio and group sparsity

open access: yes, 2023
International audienceIn the pivotal variable selection problem, we derive the exact non-asymptotic minimax selector over the class of all s-sparse vectors, which is also the Bayes selector with respect to the uniform prior.
Butucea, Cristina   +3 more
core   +1 more source

Soluble minimax groups with the subnormal intersection property

open access: yesMathematische Zeitschrift, 1970
in which each term is normal in its successor and each factor satisfies either the maximum or the minimum condition for subgroups. A group G has the subnormal intersection property if the intersection of each collection of subnormal subgroups of G is itself a subnormal subgroup of G, that is, if G contains a subnormal closure of every subgroup of G ...
openaire   +2 more sources

Epistemic minimax and related principles in the contemporary epistemic environment [PDF]

open access: yes
In this chapter, we explore the prospects of epistemic minimax and related principles. Minimax is a well-known approach to choosing a strategy under conditions of risk and uncertainty. In individual cases, the minimax strategy selects the action that can
Alfano, Mark   +4 more
core   +1 more source

Simple Synchronous and Asynchronous Algorithms for Distributed Minimax Optimization

open access: yes, 2017
Synchronous and asynchronous algorithms are presented for distributed minimax optimization. The objective here is to realize the minimization of the maximum of component functions over the standard multi-agent network, where each node of the network ...
Takayuki Wada   +3 more
core   +1 more source

Nontrivial solutions for nonlinear elliptic problems via Morse theory

open access: yesElectronic Journal of Differential Equations, 2006
We prove the existence of nontrivial solutions for perturbations of p-Laplacian. Our approach combine minimax arguments and Morse Theory, under the conditions on the behaviors of the perturbed function $f(x,t)$ or its primitive $F(x,t)$ near infinity and
Abdesslem Ayoujil, Abdel R. El Amrouss
doaj  

Valuation of alternatives in no definite circumstances/Alternatyvų vertinimas neapibrėžtumo sąlygomis

open access: yesJournal of Civil Engineering and Management, 2001
Task of decisions-making in constructing industry becomes more difficult because of rapid technical growth. According to aims, circumstances and opportunity decisions are determined. Disagreement situation arises at this point.
Paulius Gaučas   +1 more
doaj   +1 more source

Determination of stability of epimetamorphic rock slope using Minimax Probability Machine

open access: yes, 2016
The article employs Minimax Probability Machine (MPM) for the prediction of the stability status of epimetamorphic rock slope. The MPM gives a worst-case bound on the probability of misclassification of future data points.
Kumar, Manoj   +5 more
core   +1 more source

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