Perl Weekly Challenge 300.

La Fiscalía General de la República (México) ha solicitado órdenes de aprehensión contra miembros de la comunidad académica que han tenido puestos en el CONACyT y/o en el FCCyT.

Semblanza de la Dra. Julia Tagüeña Parga

La Dra. Tagüeña ha impactado el desarrollo de la ciencia y de la cultura científica en la UNAM y en el país.

Perl Weekly Challenge 131.

Consecutive arrays and Find pairs

Optical Tamm Modes

Tamm modes at the interface of a dielectric superlattice and a homogeneous system.

Three wave mixing in nanowires

SFG, DFG, SHG, and OR in centrosymmetric nanowires of noncentrosymmetric cross section.

Perl Weekly Challenge 130.

Odd number and Binary search tree

Parallelization of PDL code

Experiments with PDL::ParallelCPU, thread_define and PP code.

Perl Weekly Challenge 129.

Root distance and Add linked lists

Orthogonalization of vector sets in PDL.

Implementation of orthogonalizations in the Perl Data Language.

Perl Weekly Challenge 128.

Maximum sub-matrix and Minimum platforms.

Perl Weekly Challenge 127.

Disjoint Sets and Conflict Intervals.

Perl Weekly Challenge 126.

Count Numbers and Minesweeper Game

Perl Weekly Challenge 125.

Pythagorean triples and Binary tree diameter

Perl Weekly Challenge 124.

Womans day and Tug of war

Perl Weekly Challenge 123.

Ugly numbers and square points

Perl Weekly Challenge 122.

Average of Stream and Basketball Points

Perl Weekly Challenge 121.

Invert bit and The traveling salesman

Resize lvm partitions

Instructions for resizing my lvm partitions

PDL and Photonic in docker

Docker files and images for the Perl Data Language and Photonic

Perl Weekly Challenge 120.

Swap odd/even bits and Clock angle

Perl Weekly Challenge 119.

Swap nibles and Sequence without 1-on-1

Nonlocal multicomponent metamaterials

Slides of the talk given at the MexSIAM Annual Meeting 2021, June 23, 2021

Perl Weekly Challenge 118.

Binary palindrome and Adventure of Knight

Perl Weekly Challenge 117.

Missing Row and Find Possible Paths

Perl Weekly Challenge 116.

Number sequence and sum of squares

Entrelazados

Diálogo sobre partículas entrelazadas cuánticamente

Perl Weekly Challenge 115.

String chain and Largest multiple

Efecto de campo local superficial

Teoría del efecto de campo local superficial. Algunas notas para un curso sobre epióptica.

Perl Weekly Challenge 114.

Next palindrome number and Higher Integer Set Bits

Perl Weekly Challenge 113.

Represent integer and Recreate binary tree

Perl Weekly Challenge 112.

Canonical path and Climb stairs.

Perl Weekly Challenge 111.

Search matrix and Ordered letters.

Perl Weekly Challenge 110.

Valid phone numbers and Transpose file.

Perl Weekly Challenge 109.

Chowla numbers ad Four squares puzzle

Perl Weekly Challenge 108.

Locate memory and Bell numbers

Drude revisited

Ab Initio Theory of the Drude Plasma Frequency

Perl Weekly Challenge 107.

Self-descriptive Numbers and List Methods

Perl Weekly Challenge 106.

Maximum Gap and Decimal String

Charla sobre la controversia Abraham-Minkowski

Seminario Sotero Prieto del IFUNAM, 2021-03-17

Perl Weekly Challenge 102.

Rare Numbers and Hash-counting String

Perl Weekly Challenge 101.

Pack a Spiral and Origin-containing Triangle

Use of Photonic

Some examples on the use of the package Photonic

Microrobots

Light powered micron sized robots

Perl Weekly Challenge 100.

Fun Time and Triangle Sum

Perl Weekly Challenge 99.

Pattern Match and Unique Subsequence

Perl Weekly Challenge 98.

Read N characters and Search insert position

Perl Weekly Challenge 97.

Reverse words and edit distance

Fun with asymptote

Virtual material for a Montessori school in Asymptote

Grin PS structures

Design of porous silicon structures with a lateral gradient

Perl Weekly Challenge 96.

Reverse words and edit distance

Abraham Minkowski Controversy

Some mistaken notes on the electromagnetic momentum in materials

Perl Weekly Challenge 95.

Palindrome number and Demo stack

Test of disqus comments

Don’t pay attention neither to the post nor the comments. This is just a test.

Perl Weekly Challenge 94.

Group anagrams and binary tree to linked list.

Perl Weekly Challenge 93.

Max points and sum path

Perl Weekly Challenge 92.

Isomorphic strings and insert intervals

Perl Weekly Challenge 91.

Count number and the jump game

Perl Weekly Challenge 90.

Analyze DNA sequence and Ethiopian Multiplication

Perl Weekly Challenge 89.

Sum of GCD's and Magic Square

Perl Weekly Challenge 88

Today I submitted my first entries (task-1 and task-2) to the Perl Weekly Challenge. I found what I believe is a concise solution using the Perl Data language.

SHG from a Nanoparticle with a Non-Centrosymmetric Geometry

Today my article Analytical Theory of Second Harmonic Generation from a Nanoparticle with a Non-Centrosymmetric Geometry, by Raksha Singla and W. Luis Mochán, Physical Review B 99, 125418 (2019) doi:10.1103/PhysRevB.99.125418 was published. We showed that a centrosymmetric system may indeed generate light at the second harmonic quite efficiently if its geometry is not centrosymmetric.

Bienvenidos

Esta es la primera entrada de este blog. Apenas experimentando con Jekyll en Github para hacer un blog. Luego escribiré algo un poco más interesante.