• Portugal

Research Output 1997 2019

Filter
Article
2019
10 Downloads (Pure)

Abelian antipowers in infinite words

Fici, G., Postic, M. & Silva, M., 1 Jul 2019, In : Advances in Applied Mathematics. 108, p. 67-78 12 p.

Research output: Contribution to journalArticle

File
Infinite Words
Concatenation
Pairwise
Distinct
Consecutive
1 Citation (Scopus)

A combined optimisation and decision-making approach for battery-supported HMGS

Marcelino, C., Baumann, M., Carvalho, L., Chibeles-Martins, N., Weil, M., Almeida, P. & Wanner, E., Apr 2019, In : Journal of the Operational Research Society.

Research output: Contribution to journalArticle

Decision making
Loss of load probability
Electricity
Lithium batteries
Decision theory
5 Downloads (Pure)

A computational comparison of compact MILP formulations for the zero forcing number

Agra, A., Cerdeira, J. O. & Requejo, C., 30 Sep 2019, In : Discrete Applied Mathematics. 269, SI, p. 169-183

Research output: Contribution to journalArticle

Zero-forcing
Mixed Integer Linear Programming
Linear programming
Formulation
Sequential Algorithm

A strengthened model for the web search optimization problem

Gonçalves, G. M. & Lourenço, L. L., 1 Jan 2019, In : WSEAS Transactions on Mathematics. 18, p. 143-148 6 p.

Research output: Contribution to journalArticle

Linear Programming
Software Design
Search Problems
Web Search
Research Design
life cycle
life cycle assessment
sustainable development
supply
planning

Calibration of parameters in Dynamic Energy Budget models using Direct-Search methods

Morais, J. V., Custódio, A. L. & Marques, G. M., 1 Apr 2019, In : Journal Of Mathematical Biology. 78, 5, p. 1439-1458 20 p.

Research output: Contribution to journalArticle

Direct Search Method
Budgets
Calibration
calibration
Simplex Method
5 Downloads (Pure)

Combinatorics of cyclic shifts in plactic, hypoplactic, sylvester, Baxter, and related monoids

Cain, A. J. & Malheiro, A., 1 Oct 2019, In : Journal of Algebra. 535, p. 159-224 66 p.

Research output: Contribution to journalArticle

Open Access
File
Monoids
Monoid
Combinatorics
Binary Search Tree
Graph in graph theory
2 Downloads (Pure)

Combinatorics of patience sorting monoids

Cain, A. J., Malheiro, A. & Silva, F. M., 1 Sep 2019, In : Discrete Mathematics. 342, 9, p. 2590-2611 22 p.

Research output: Contribution to journalArticle

Open Access
File
Tableaux
Monoids
Combinatorics
Sorting
Correspondence
7 Citations (Scopus)
social networks
ecosystem service
ecosystem services
Portugal
photographs

Corrected-Hill versus partially reduced-bias value-at-risk estimation

Gomes, M. I., Caeiro, F., Figueiredo, F., Henriques-Rodrigues, L. & Pestana, D., 1 Jan 2019, (Accepted/In press) In : Communications in Statistics: Simulation and Computation.

Research output: Contribution to journalArticle

Value at Risk
Order Statistics
Quotient
Monte Carlo Simulation
Asymptotic Behavior
Crystal Bases
Rewriting Systems
Monoids
Crystal
Crystals

Discrete formulation for the dynamics of rods deforming in space

Casimiro, A. & Rodrigo, C., 1 Sep 2019, In : Journal Of Mathematical Physics. 60, 9, 092901.

Research output: Contribution to journalArticle

rods
formulations
Formulation
bundles
Principal Bundle
1 Citation (Scopus)

Discussing Hilbert’s 24th problem

Hipolito, I. & Kahle, R., 11 Mar 2019, In : Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 377, 2140(SI), Y.

Research output: Contribution to journalArticle

Effects of elevated carbon dioxide on the hematological parameters of a temperate catshark

Pegado, M. R., Santos, C. P., Pimentel, M. S., Cyrne, R., Paulo, M., Maulvault, A. L., Raffoul, D., Diniz, M., Bispo, R. & Rosa, R., 3 Dec 2019, In : Journal of Experimental Zoology Part A: Ecological Genetics and Physiology .

Research output: Contribution to journalArticle

blood platelets
erythrocytes
carbon dioxide
Scyliorhinus canicula
blood cell counts

Facultative cleaning behaviour of juvenile Diplodus sargus (Sparidae) and its ecological role in marine temperate waters

Neto, J., Vieira, D., Abecasis, D., Marques, J. F., Gordo, L., Robalo, J. I., Bispo, R., Araújo, M. & Almada, F., 24 Oct 2019, In : Marine Ecology Progress Series. 629, p. 165-177 13 p.

Research output: Contribution to journalArticle

facultative behavior
cleaning behavior
Diplodus
Sparidae
cleaning

First indication of deleterious impacts in white-seabream larvae (Diplodus sargus) survival and behaviour following acute venlafaxine exposure

Rodrigues, A., Borges, F. O., Pissarra, V., Luísa Maulvault, A., Paula, J. R., Bispo, R. & Rosa, R., 1 Aug 2019, In : Ecotoxicology. 28, 6, p. 612-618 7 p.

Research output: Contribution to journalArticle

Sea Bream
Antidepressive Agents
Larva
larva
Survival
2 Citations (Scopus)

From Fixation Probabilities to d-player Games: An Inverse Problem in Evolutionary Dynamics

Chalub, F. A. C. C. & Souza, M. O., 1 Jan 2019, (Accepted/In press) In : Bulletin Of Mathematical Biology.

Research output: Contribution to journalArticle

Evolutionary Dynamics
Fixation
inverse problem
Inverse problems
fixation
1 Downloads (Pure)

Hardy-Littlewood maximal operator on the associate space of a Banach function space

Karlovich, A. Y., 1 Jan 2019, In : Real Analysis Exchange. 44, 1, p. 119-140 22 p.

Research output: Contribution to journalArticle

Open Access
File
Space of Homogeneous Type
Banach Function Space
Maximal Operator
Boundedness
Euclidean
1 Citation (Scopus)
4 Downloads (Pure)
Open Access
File
Syzygies
polynomials
Polynomials
Rewriting
Polynomial

Introducing Nonparametric Predictive Inference Methods for Reproducibility of Likelihood Ratio Tests

Marques, F. J., Coolen, F. P. A. & Coolen-Maturi, T., Mar 2019, In : Journal of Statistical Theory and Practice. 13, 1, UNSP 15.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Is There a “Hilbert Thesis”?

Kahle, R., 15 Feb 2019, In : Studia Logica. 107, 1, p. 145-165 21 p.

Research output: Contribution to journalArticle

First-order Logic
Hilbert
Recursive Functions
Computability
Logic
Large-scale Optimization
Unconstrained Optimization
Trust Region
Subspace
Modeling
Linear programming
4 Citations (Scopus)

Modeling frameworks for the multi-skill resource-constrained project scheduling problem: a theoretical and empirical comparison

Almeida, B. F., Correia, I. & Saldanha-da-Gama, F., 1 May 2019, In : International Transactions In Operational Research. 26, 3, p. 946-967 22 p.

Research output: Contribution to journalArticle

Scheduling
Linear programming
Modeling
Resource-constrained project scheduling
Experiments
12 Downloads (Pure)

Modelling and (re-)planning periodic home social care services with loyalty and non-loyalty features

Gomes, M. I. & Ramos, T. R. P., 16 Aug 2019, In : European Journal of Operational Research. 277, 1, p. 284-299 16 p.

Research output: Contribution to journalArticle

Open Access
File
Multiobjective optimization
Aging of materials
Disturbance
Planning
Availability

Multi-depot vehicle routing problem: a comparative study of alternative formulations

Ramos, T. R. P., Gomes, M. I. & Póvoa, A. P. B., 1 Jan 2019, In : International Journal of Logistics Research and Applications.

Research output: Contribution to journalArticle

Vehicle routing
Linear programming
Comparative study
Vehicle routing problem
Benchmark
2 Citations (Scopus)

Neurobiological and behavioural responses of cleaning mutualisms to ocean warming and acidification

Paula, J. R., Repolho, T., Pegado, M. R., Thörnqvist, P. O., Bispo, R., Winberg, S., Munday, P. L. & Rosa, R., 1 Dec 2019, In : Scientific Reports. 9, 1, 12728.

Research output: Contribution to journalArticle

Open Access
Coral Reefs
Touch
Oceans and Seas
Textbooks
Acclimatization

New improvements in old approximations to the Normal CDF

Mota, P., 2019, In : International Journal of Applied Mathematics. 32, 1, p. 83-89 7 p.

Research output: Contribution to journalArticle

Normal distribution
Distribution functions
Normal cumulative distribution function
Approximation
Quadratic Constraint
Min-max
Fractional
Certificate
Lower bound
6 Citations (Scopus)

On risk management of a two-stage stochastic mixed 0–1 model for the closed-loop supply chain design problem

Baptista, S., Barbosa-Póvoa, A. P., Escudero, L. F., Gomes, M. I. & Pizarro, C., 1 Apr 2019, In : European Journal of Operational Research. 274, 1, p. 91-107

Research output: Contribution to journalArticle

Supply Chain Design
Closed-loop Supply Chain
Risk Management
Risk management
Supply chains

On the asymptotic behaviour and stochastic stabilization of second grade fluids

Cipriano, F., 1 Jan 2019, In : Stochastics.

Research output: Contribution to journalArticle

Second Grade Fluid
Stabilization
Asymptotic Behavior
Stochastic Perturbation
Slip Boundary Condition
2 Citations (Scopus)
7 Downloads (Pure)

On the Bruhat order of labeled graphs

Brualdi, R. A., Fernandes, R. & Furtado, S., 15 Apr 2019, In : Discrete Applied Mathematics. 258, p. 49-64 16 p.

Research output: Contribution to journalArticle

Open Access
File
Bruhat Order
Switches
Graph in graph theory
Degree Sequence
Labels
4 Downloads (Pure)
Open Access
File
Second Grade Fluid
Optimal Feedback Control
Feedback control
Slip Boundary Condition
Fluids
1 Citation (Scopus)

Patterns of sexual risk behavior, HIV infection, and use of health services among Sub-Saharan African migrants in Portugal

Dias, S., Gama, A., Abrantes, P., Gomes, M. I., Fonseca, M., Reigado, V., Simões, D., Carreiras, E., Mora, C., Pinto Ferreira, A., Akpogheneta, O. & Martins, M. O., 1 Jan 2019, In : Journal Of Sex Research.

Research output: Contribution to journalArticle

Portugal
Virus Diseases
Risk-Taking
risk behavior
Sexual Behavior
1 Citation (Scopus)

Principal Schottky bundles over Riemann surfaces

Casimiro, A. C., Ferreira, S. & Florentino, C., 1 Aug 2019, In : Geometriae Dedicata. p. 379-409

Research output: Contribution to journalArticle

Riemann Surface
Bundle
Higgs Bundles
Surjectivity
Principal Bundle

Re-assessing the effectiveness of wire-marking to mitigate bird collisions with power lines: A meta-analysis and guidelines for field studies

Bernardino, J., Martins, R. C., Bispo, R. & Moreira, F., 15 Dec 2019, In : Journal of Environmental Management. 252, 109651.

Research output: Contribution to journalArticle

power line
meta-analysis
Birds
collision
Wire

Reduced-bias kernel estimators of a positive extreme value index

Caeiro, F. & Henriques-Rodrigues, L., 1 Jan 2019, In : Mathematical Methods in the Applied Sciences.

Research output: Contribution to journalArticle

Extreme Value Index
Kernel Estimator
Estimator
Value engineering
Hill Estimator
1 Citation (Scopus)

Regular double p-algebras

Adams, M. E., Sankappanavar, H. P. & Carvalho, J. V. D., 25 Feb 2019, In : MATHEMATICA SLOVACA. 69, 1, p. 15-34 20 p.

Research output: Contribution to journalArticle

Priestley Duality
Algebra
Subdirectly Irreducible
Free Algebras
Poset
Sums of Independent Random Variables
Series Representation
Random variables
Generalized gamma Distribution
Density Function

Some probability calculations concerning the Egyptian game Senet

Nogueira, J. E. A. D., Trabucho, L. & Rodrigues, F., 24 May 2019, (Accepted/In press) In : College Mathematical Journal.

Research output: Contribution to journalArticle

Stochastic stability of invariant measures: The 2D Euler equation

Cipriano, F., Ouerdiane, H. & Mendes, R. V., 10 Jul 2019, In : International Journal of Modern Physics B. 33, 17, 1950185.

Research output: Contribution to journalArticle

inspiration
partial differential equations
dynamical systems
hydrodynamics
boundary conditions
1 Citation (Scopus)
2 Downloads (Pure)

Testing conditions and estimating parameters in extreme value theory: Application to environmental data

Penalva, H., Gomes, D. P., Neves, M. M. & Nunes, S., 1 Apr 2019, In : Revstat Statistical Journal. 17, 2, p. 187-207 21 p.

Research output: Contribution to journalArticle

Open Access
File
Extreme Value Theory
Extreme Values
Testing
Rare Events
Statistical Model

Testing simultaneously different covariance block diagonal structures - the multi-sample case

Marques, F. J., 30 Dec 2019, (Accepted/In press) In : Journal of Applied Statistics.

Research output: Contribution to journalArticle

Open Access

Testing the hypothesis of a doubly exchangeable covariance matrix

Coelho, C. A. & Roy, A., 1 Jan 2019, In : Metrika.

Research output: Contribution to journalArticle

Exact Distribution
Covariance matrix
Testing
Likelihood Ratio Test Statistic
Small Sample Size

The change in multiplicity of an eigenvalue due to adding or removing edges

Johnson, C. R., Saiago, C. M. & Toyonaga, K., 1 Jan 2019, In : Linear Algebra and Its Applications. 560, p. 86-99 14 p.

Research output: Contribution to journalArticle

Multiplicity
Eigenvalue
Eigenvalues of a Hermitian matrix
Graph in graph theory
Simple Graph
1 Citation (Scopus)

The monoids of the patience sorting algorithm

Cain, A. J., Malheiro, A. & Silva, F. M., 1 Feb 2019, In : International Journal Of Algebra And Computation. 29, 1, p. 85-125

Research output: Contribution to journalArticle

Sorting algorithm
Monoids
Sorting
Monoid
Finite Rank

The train frequency compatibility problem

Cerdeira, J. O., Iglésias, C. & Silva, P. C., 30 Sep 2019, In : Discrete Applied Mathematics. 269, SI, p. 18-26 9 p.

Research output: Contribution to journalArticle

Linear programming
Compatibility
Mixed Integer Linear Programming
Formulation
Computational complexity

Two applications of monoid actions to cross-sections

Brough, T., 13 Nov 2019, (Accepted/In press) In : Communications in Algebra.

Research output: Contribution to journalArticle

1 Citation (Scopus)
5 Downloads (Pure)
Open Access
File
Simplicity
Diagram
diagrams
Spatial Reasoning
Vision
2018
5 Citations (Scopus)

A biased random-key genetic algorithm for the project scheduling problem with flexible resources

Almeida, B. F., Saldanha-da-Gama, F. & Correia, I., 16 Apr 2018, (Accepted/In press) In : TOP. p. 1-26 26 p.

Research output: Contribution to journalArticle

Project Scheduling
Biased
Scheduling Problem
Genetic algorithms
Scheduling