Search Results - "Morales, Luis B."
-
1
A Bit-Parallel Tabu Search Algorithm for Finding Es2-Optimal and Minimax-Optimal Supersaturated Designs
Published in Computational and mathematical methods (2023)“…We prove the equivalence of two-symbol supersaturated designs (SSDs) with N (even) rows, m columns, and smax=4t+i, where i∈0,2 and t∈ℤ≥0 and resolvable…”
Get full text
Journal Article -
2
The maximum number of columns in E(s2) $\,E({s}^{2})$‐optimal supersaturated designs with 16 rows and smax=4 ${s}_{{\rm{\max }}}=4$ is 60
Published in Journal of combinatorial designs (01-04-2023)“…We show that the maximum number of columns in E(s2) $\,E({s}^{2})$‐optimal supersaturated designs (SSDs) with 16 rows and smax=4 ${s}_{{\rm{\max }}}=4$ is 60…”
Get full text
Journal Article -
3
SEARCH FOR EXTREMELY METAL-POOR GALAXIES IN THE SLOAN DIGITAL SKY SURVEY. II. HIGH ELECTRON TEMPERATURE OBJECTS
Published in The Astrophysical journal (10-03-2016)“…ABSTRACT Extremely metal-poor (XMP) galaxies are defined to have a gas-phase metallicity smaller than a tenth of the solar value ( ). They are uncommon,…”
Get full text
Journal Article -
4
QUALITATIVE INTERPRETATION OF GALAXY SPECTRA
Published in The Astrophysical journal (10-09-2012)“…We describe a simple step-by-step guide to qualitative interpretation of galaxy spectra. Rather than an alternative to existing automated tools, it is put…”
Get full text
Journal Article -
5
On E(s2)‐optimal and minimax‐optimal supersaturated designs with 20 rows and 76 columns
Published in Journal of combinatorial designs (01-07-2018)“…We derive a previously unknown lower bound of 41 for the frequency of s max =8 of an E(s2)‐optimal and minimax‐optimal supersaturated design (SSD) with 20 rows…”
Get full text
Journal Article -
6
The maximum number of columns in supersaturated designs with smax=2
Published in Journal of combinatorial designs (01-07-2019)“…Cheng and Tang [Biometrika, 88 (2001), pp. 1169–1174] derived an upper bound on the maximum number of columns B ( n , t ) that can be accommodated in a…”
Get full text
Journal Article -
7
A General Description for the Weight Distribution of Some Reducible Cyclic Codes
Published in IEEE transactions on information theory (01-09-2013)“…A remarkably general result which provides the evaluation of a family of exponential sums was presented by Moisio in 2000. In this work, we use such a general…”
Get full text
Journal Article -
8
On the Enumeration of E(s2)-Optimal and Minimax-Optimal k-Circulant Supersaturated Designs
Published in Journal of combinatorial designs (01-04-2014)“…In recent years, several methods have been proposed for constructing E(s2)‐optimal and minimax‐optimal supersaturated designs (SSDs). However, until now the…”
Get full text
Journal Article -
9
Optimal k-circulant supersaturated designs
Published in Journal of statistical planning and inference (01-02-2011)“…Optimal k-circulant supersaturated designs have been constructed in literature using computer intensive methods. A systematic method of construction for…”
Get full text
Journal Article -
10
SYSTEMATIC SEARCH FOR EXTREMELY METAL-POOR GALAXIES IN THE SLOAN DIGITAL SKY SURVEY
Published in The Astrophysical journal (10-12-2011)“…We carry out a systematic search for extremely metal-poor (XMP) galaxies in the spectroscopic sample of Sloan Digital Sky Survey (SDSS) data release 7 (DR7)…”
Get full text
Journal Article -
11
METALLICITY INHOMOGENEITIES IN LOCAL STAR-FORMING GALAXIES AS A SIGN OF RECENT METAL-POOR GAS ACCRETION
Published in The Astrophysical journal (01-03-2014)“…We measure the oxygen metallicity of the ionized gas along the major axis of seven dwarf star-forming galaxies. Two of them, SDSSJ1647+21 and SDSSJ2238+14,…”
Get full text
Journal Article -
12
A statistical analysis in the BWR fuel lattice design
Published in Annals of nuclear energy (01-04-2016)“…•A statistical analysis in the neutronic BWR fuel lattice design is shown.•The analysis was carried out using a sample space of 2700 fuel lattices.•Several…”
Get full text
Journal Article -
13
SYSTEMATIC SEARCH FOR EXTREMELY METAL-POOR GALAXIES IN THE SLOAN DIGITAL SKY SURVEY
Published in The Astrophysical journal (10-12-2011)Get full text
Journal Article -
14
Huitzoctli: A system to design Control Rod Pattern for BWR’s using a hybrid method
Published in Annals of nuclear energy (01-11-2011)“…► The system was developed to design Control Rod Patterns for Boiling Water Reactors. ► The critical reactor core and the thermal limits were fulfilled in all…”
Get full text
Journal Article -
15
ON THE USE OF THE INDEX N2 TO DERIVE THE METALLICITY IN METAL-POOR GALAXIES
Published in The Astrophysical journal (20-12-2014)“…The N2 index ([NII] [lambda]6584/H alpha ) is used to determine emission line galaxy metallicities at all redshifts, including high redshift, where galaxies…”
Get full text
Journal Article -
16
ON THE USE OF THE INDEX N2 TO DERIVE THE METALLICITY IN METAL-POOR GALAXIES
Published in The Astrophysical journal (02-12-2014)Get full text
Journal Article -
17
METALLICITY INHOMOGENEITIES IN LOCAL STAR-FORMING GALAXIES AS A SIGN OF RECENT METAL-POOR GAS ACCRETION
Published in The Astrophysical journal (12-02-2014)Get full text
Journal Article -
18
A Bit-Parallel Tabu Search Algorithm for Finding E s 2 -Optimal and Minimax-Optimal Supersaturated Designs
Published in Computational and mathematical methods (06-06-2023)“…We prove the equivalence of two-symbol supersaturated designs (SSDs) with N (even) rows, m columns, and s max = 4 t + i , where i ∈ 0 , 2 and t ∈ ℤ ≥ 0 and…”
Get full text
Journal Article -
19
A Genetic Algorithm with Conformational Memories for Structure Prediction of Polypeptides
Published in Journal of biomolecular structure & dynamics (01-08-2003)“…We have developed an iterative hybrid algorithm (HA) to predict the 3D structure of peptides starting from their amino acid sequence. The HA is made of a…”
Get full text
Journal Article -
20
BWR control rod design using tabu search
Published in Annals of nuclear energy (01-05-2005)“…An optimization system to get control rod patterns (CRP) has been generated. This system is based on the tabu search technique (TS) and the control cell core…”
Get full text
Journal Article