José Ángel Iranzo
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ja-iranzo.bsky.social
José Ángel Iranzo
@ja-iranzo.bsky.social
29 followers 80 following 9 posts
De Zaragoza. Le doy a las matemáticas, a las masas, al papel, a la dulzaina... #Math #Origami #Bread
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ja-iranzo.bsky.social
José Ángel Iranzo @ja-iranzo.bsky.social · 7d
Último artículo publicado. Me hace especial ilusión porque trata de combinar Matemáticas y Arte. El objetivo era encajar piezas de Tetris para representar imágenes conocidas.

Making mosaics from Tetris® tiles t.co/HtJSt6dzKj
Rostro de la Mona Lisa, de Leonardo da Vinci, representado en escala de grises mediante piezas de Tetris.
ja-iranzo.bsky.social
Último artículo publicado. Me hace especial ilusión porque trata de combinar Matemáticas y Arte. El objetivo era encajar piezas de Tetris para representar imágenes conocidas.

Making mosaics from Tetris® tiles t.co/HtJSt6dzKj
Rostro de la Mona Lisa, de Leonardo da Vinci, representado en escala de grises mediante piezas de Tetris.
September 9, 2026 at 11:21 AM
ja-iranzo.bsky.social
Nuestro último artículo, sobre la exactitud de un procedimiento de equilibrado:
Calvete, H.I., Galé, C. & Iranzo, J.A. An exact and computationally efficient algorithm for balanced customer clustering under relocation constraints. 4OR-Q J Oper Res (2026).

link.springer.com/article/10.1...
Imágen del procedimiento de equilibrado del artículo publicado. Otros artículos publicados: https://link.springer.com/article/10.1007/s10288-026-00626-1 https://onlinelibrary.wiley.com/doi/full/10.1111/itor.70105 https://www.sciencedirect.com/science/article/pii/S0377221725003285 https://www.tandfonline.com/doi/abs/10.1080/02331934.2024.2388204 https://link.springer.com/article/10.1007/s10479-024-06017-1 https://www.mdpi.com/2227-7390/12/22/3459 https://onlinelibrary.wiley.com/doi/abs/10.1111/itor.12943 https://onlinelibrary.wiley.com/doi/abs/10.1111/itor.12951 https://www.mdpi.com/2227-7390/10/9/1390 https://www.sciencedirect.com/science/article/abs/pii/S0305054820301830 https://www.mdpi.com/2227-7390/8/8/1214 https://www.sciencedirect.com/science/article/abs/pii/S0377221718301747 https://www.sciencedirect.com/science/article/abs/pii/S0305054818300765 https://link.springer.com/article/10.1007/s11590-016-1073-x https://www.sciencedirect.com/science/article/abs/pii/S0377221715008863 https://link.springer.com/article/10.1007/s00291-015-0416-9 https://www.sciencedirect.com/science/article/pii/S0377221715003690 https://www.sciencedirect.com/science/article/abs/pii/S0305048314000668 https://www.sciencedirect.com/science/article/abs/pii/S0377221713004128
August 22, 2026 at 8:35 AM
Reposted by José Ángel Iranzo
sgoldstine.bsky.social
I learned from her Patreon that Vi Hart has just deleted her 1.5M-subscriber YouTube channel. The worsening of YT’s policies for creators finally reached her breaking point. To help herd folks to her videos’ new home, here’s a link to an early favorite of mine.

vimeo.com/showcase/116...
Doodling in Math Class: Infinity Elephants
This is "Doodling in Math Class: Infinity Elephants" by Vi Hart on Vimeo, the home for high quality videos and the people who love them.
vimeo.com
May 28, 2025 at 2:19 AM
ja-iranzo.bsky.social
Último paper, en abierto: Scatter search with path relinking for linear bilevel problems www.sciencedirect.com/science/arti...
Ejemplo de trayectoria sobre poliedro. https://www.sciencedirect.com/science/article/pii/S0377221725003285 https://www.tandfonline.com/doi/abs/10.1080/02331934.2024.2388204 https://link.springer.com/article/10.1007/s10479-024-06017-1 https://www.mdpi.com/2227-7390/12/22/3459 https://onlinelibrary.wiley.com/doi/abs/10.1111/itor.12943 https://onlinelibrary.wiley.com/doi/abs/10.1111/itor.12951 https://www.mdpi.com/2227-7390/10/9/1390 https://www.sciencedirect.com/science/article/abs/pii/S0305054820301830 https://www.mdpi.com/2227-7390/8/8/1214 https://www.sciencedirect.com/science/article/abs/pii/S0377221718301747 https://www.sciencedirect.com/science/article/abs/pii/S0305054818300765 https://link.springer.com/article/10.1007/s11590-016-1073-x https://www.sciencedirect.com/science/article/abs/pii/S0377221715008863 https://link.springer.com/article/10.1007/s00291-015-0416-9 https://www.sciencedirect.com/science/article/pii/S0377221715003690 https://www.sciencedirect.com/science/article/abs/pii/S0305048314000668 https://www.sciencedirect.com/science/article/abs/pii/S0377221713004128
May 16, 2025 at 9:00 PM
Reposted by José Ángel Iranzo
juliobernues.bsky.social
¿Es Andresa o Andrea?

En este 11F recordamos la “pelea” de hashtags que tuvo lugar en Twitter entre #AndresaCasamayor y #AndreaCasamayor, @raquel-villacam.bsky.social, @bne.es
Es Andresa o Andrea… ¿Cuál es el correcto?. ¿Quieres saberlo?. Abro hilo…
February 11, 2025 at 3:43 PM
Reposted by José Ángel Iranzo
irenevalmore.bsky.social
Invitada al IES Blecua para que me entrevisten los grupos de 1° de Bachillerato. Un viaje a la juventud de la lectura, donde todo empieza. Gracias infinitas.

#IESBlecua #Encuentros #Lectura #ViajeConLasLetras
January 27, 2025 at 10:03 AM
ja-iranzo.bsky.social
Doblando un papel y haciendo UN solo corte se puede obtener cualquier silueta poligonal. ¡Feliz Navidad! #MerryChristMaths #MerryXMaths
December 24, 2024 at 7:17 PM