[et_pb_section fb_built=”1″ make_equal=”on” use_custom_gutter=”on” gutter_width=”1″ specialty=”on” background_color_2=”gcid-e428b4a0-8f75-478b-bc91-d4c919946667″ padding_top_1=”0px” padding_top_2=”20px” padding_right_1=”0px” padding_right_2=”15px” padding_bottom_1=”0px” padding_bottom_2=”40px” padding_left_1=”0px” padding_left_2=”15px” padding_top_bottom_link_1=”false” padding_top_bottom_link_2=”false” padding_left_right_link_1=”false” padding_left_right_link_2=”false” _builder_version=”4.25.2″ _module_preset=”default” width=”100%” max_width=”100%” inner_width=”100%” inner_max_width=”100%” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”0px|0px|0px|0px|false|false” border_width_top=”7px” border_color_top=”gcid-e428b4a0-8f75-478b-bc91-d4c919946667″ locked=”off” global_colors_info=”{%22gcid-e428b4a0-8f75-478b-bc91-d4c919946667%22:%91%22border_color_top%22,%22background_color_2%22%93}”][et_pb_column type=”3_4″ specialty_columns=”3″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_row_inner use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” _builder_version=”4.25.2″ _module_preset=”default” width=”100%” max_width=”100%” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”40px|40px|10px|40px|false|false” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.25.2″ _module_preset=”default” custom_padding=”0px|0px|0px|0px|false|false” global_colors_info=”{}”][et_pb_heading title=”Recreational Mathematics Colloquium VI” _builder_version=”4.25.2″ _module_preset=”default” title_text_color=”#f29062″ title_font_size=”22px” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_heading][et_pb_tabs _builder_version=”4.25.2″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” custom_margin=”20px||||false|false” sticky_enabled=”0″][et_pb_tab title=”Organization” _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
<\/p>\n
Beatriz da Costa Salvador; Beatriz Nunes; Carolina Ferreira Martins; Catarina de Jesus Martins Alves; Cristina Alejandra Paublini Ornelas; Cristina Silva; Daniel Matias; Diogo Filipe; Jer\u00f3nimo Rodrigues; Jo\u00e3o Filipe; Eduardo Skapinakis; Eva Garcia; Filipa Alves Moura; Filipe Lopes; Henrique de Brito Antunes Ribeiro; Leonor Santos de Pina; Mariana da Luz Rocha; Mariana Irin\u00e9o Godinho; Miguel Angelo Gon\u00e7alves; Rafael de Almeida Carvalho Pastor Pinto; Rita Pacheco; Rita Catarina Estevam dos Santos; Sara Costa; Stefan Sequeira; St\u00e9phanie de M\u00e9norval<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
[\/et_pb_tab][et_pb_tab title=”Invited Speakers” _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n
Andreas Hinz (Germany)<\/span><\/p>\n Aviezri Fraenkel (Israel)<\/p>\n Colin Wright (UK)<\/p>\n David Singmaster (UK)<\/p>\n Fernando Blasco (Spain)<\/p>\n Lisa Rougetet (France)<\/p>\n Richard Nowakowski (Canada)<\/p>\n Robin Wilson (UK)<\/p>\n Tereza B\u00e1rtlov\u00e1 (Czech Republic)<\/p>\n Thane Plambeck (USA)<\/p>\n Yossi Elran (Israel)<\/p>\n [\/et_pb_tab][et_pb_tab title=”Program” _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n Saturday, January 26th<\/strong><\/p>\n 8:30 \u2013 Registration<\/p>\n 9:00 \u2013 Opening session<\/p>\n 9:30 \u2013 David Singmaster, London South Bank University 10:00 \u2013 Carlos Pereira dos Santos, CEAFEL\u00a0 10:30 \u2013 Fernando Blasco, Universidad Polit\u00e9cnica de Madrid 11:00 \u2013 Coffee-break<\/p>\n 11:30 \u2013 Richard Nowakowski, Dalhousie University 12:00 \u2013 Jos\u00e9 Carlos Santos, University of Oporto 12:30 \u2013 Lu\u00eds Trabucho, FCT-UNL\u00a0 13:00 \u2013 Break for lunch<\/p>\n 14:30 \u2013 Pedro Freitas, FCUL, University of Lisbon\u00a0 15:00 \u2013 Aleksandra Ravas 15:30 \u2013 Adrien Lochon,\u00a0 16:00 \u2013 Coffee-break<\/p>\n 16:30 \u2013 Colin Wright, Solipsys Ltd\u00a0 17:00 \u2013\u00a0Guido Ramellini, MMACA 17:30 \u2013 Francisco Mousinho, ESTAL 18:00 \u2013 Peter Lynch,\u00a0University College Dublin<\/span> 19:00 \u2013 Conference dinner<\/strong><\/p>\n Sunday, January 27th<\/strong><\/strong><\/p>\n 9:30 \u2013 Robin Wilson, Open University, UK (Handout<\/a>)<\/i><\/p>\n 10:00 \u2013 Hugo Almeida 10:30 \u2013 Jaime Carvalho e Silva, University of Coimbra 11:00 \u2013 Coffee-break<\/p>\n 11:30 \u2013 H\u00e9lder Pinto, CIDMA-UA,\u00a0ESE – Instituto Piaget\u00a0 & Cristina Silva, ES Pinhal Novo 12:00 \u2013\u00a0<\/span>Ricardo Teixeira, University of Houston – Victoria 12:30 \u2013 Francisco Albuquerque Picado, University of Lisbon<\/span> 13:00 \u2013\u00a0 Break for lunch<\/p>\n 14:30 \u2013 Carlota Sim\u00f5es & Cristina Cordeiro, University of Coimbra 15:00 \u2013 Rog\u00e9rio Martins, FCT<\/span> 16:00 \u2013\u00a0Public session:\u00a0The maths and magical cabaret<\/strong><\/span><\/p>\n During the course of an hour and a half we aim to entertain you with various acts taken from Magic, Maths and their intersection. All presented in the National Museum of Natural History and Science*. Hosted by the Circo Matem\u00e1tico we’ll have various performers from various places of the globe each with their unique act and skills.<\/span><\/p>\n Adrien Lochon | France *A entrada para o espect\u00e1culo \u00e9 gratuita \/ Admission to the show is free.\u00a0 Monday, January 28th<\/strong><\/strong><\/p>\n 9:30 \u2013 Andreas M. Hinz, LMU Munich 10:00 \u2013 Rodrigo Gir\u00e3o Serr\u00e3o,\u00a0MMA-IST<\/span> 10:30 \u2013 Flavia Sancier-Barbosa, Colorado College\u00a0 11:00 \u2013 Coffee-break<\/p>\n 11:30 \u2013 Jorge Buescu, University of Lisbon<\/span> 12:00 \u2013Tiago Hirth, Ludus<\/i><\/span> 12:30 \u2013\u00a0Lisa Rougetet, Universit\u00e9 de Bretabne Occidentale<\/span> 13:00 \u2013 Break for lunch<\/i><\/p>\n 14:30 \u2013 Jos\u00e9 Paulo Viana 15:00 \u2013 Tereza B\u00e1rtlov\u00e1, Charles University\u00a0 15:30 \u2013 Joaquim Eurico Nogueira, FCT-UNL\u00a0 16:00 \u2013 Coffee-break<\/i><\/p>\n 16:30 \u2013 Andrew Shirtz 17:00 \u2013 Andreia Hall, Paulo Almeida, S\u00f3nia Pais & Paolo Vettori,<\/span>\u00a0<\/span>University of Aveiro 17:30 \u2013\u00a0<\/span><\/i>Urban Larsson, Technion – Israel Institute of Technology Tuesday, January 29th<\/strong><\/strong><\/sup><\/p>\n 9:30 \u2013 Ant\u00f3nio Ara\u00fajo, UAb<\/span><\/span> 10:00 \u2013 Alexandre Mena e Silva, CSJ 10:30 \u2013 Ravi Kant Rai, IEOR, IIT Bombay 11:00 \u2013 Coffee-break<\/p>\n 11:30 \u2013 Adam Atkinson 12:00 \u2013 Felipe Cabral,\u00a0University of Coimbra 12:30 \u2013 Filipe Papan\u00e7a, Military Academy 13:00 \u2013 Break for lunch<\/p>\n Audit\u00f3rio Caleidosc\u00f3pio, Campo Grande<\/strong><\/strong><\/p>\n 15:00 –\u00a0<\/span>Our dearst problems<\/a><\/i>. Chair: Jorge Buescu (CMAF-IO)<\/p>\n _\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Adam Atkinson:\u00a0The subheaps problem<\/i><\/p>\n _\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Andreas M. Hinz:\u00a0The Linear Tower of Hanoi<\/i><\/p>\n _\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Guido Ramellini:\u00a0Big box<\/i><\/p>\n _\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Ricardo Teixeira:\u00a0Collatz conjecture<\/i><\/p>\n _ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Thane Plambeck:\u00a0Guessing Red or Black<\/i><\/span><\/p>\n 10 minutes each. At the end of all presentations there will be a Q&A period.<\/i><\/p>\n 16:30 \u2013 Closing,\u00a0Presence of Professor Ant\u00f3nio Feij\u00f3, Vice-Rector of the University of Lisbon<\/p>\n [\/et_pb_tab][\/et_pb_tabs][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.25.2″ _module_preset=”default” column_structure=”1_2,1_2″ use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” width=”100%” max_width=”100%” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”40px|40px|10px|40px|false|false”][et_pb_column_inner saved_specialty_column_type=”3_4″ _builder_version=”4.25.2″ _module_preset=”default” type=”1_2″][et_pb_button button_url=”https:\/\/ludicum.org\/wp-content\/uploads\/2024\/01\/abstracts-1.pdf” url_new_window=”on” button_text=”Download abstracts” button_alignment=”center” _builder_version=”4.24.0″ _module_preset=”default” custom_button=”on” button_text_size=”14px” button_text_color=”#438e1a” button_border_radius=”10px” button_icon=”||fa||400″ 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background_layout__hover_enabled=”on|hover” custom_margin=”20px||||false|false”][\/et_pb_button][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.23.4″ _module_preset=”default” global_colors_info=”{}” use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” width=”100%” max_width=”100%” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”40px|40px|10px|40px|false|false”][et_pb_column_inner _builder_version=”4.23.4″ _module_preset=”default” global_colors_info=”{}” saved_specialty_column_type=”3_4″][et_pb_heading title=”Gallery Photos” _builder_version=”4.24.2″ _module_preset=”default” title_level=”h4″ min_height=”58.7px” custom_margin=”20px||||false|false” global_colors_info=”{}”][\/et_pb_heading][et_pb_gallery gallery_ids=”3487,3488,3489,3490,3491,3492,3499,3498,3497,3496,3495,3494,3493,3511,3512,3513,3514,3515,3516,3517,3524,3532,3531,3530,3528,3527,3526,3525,3518,3519,3520,3521,3522,3523,3539,3538,3537,3536,3535,3534,3533,3540,3547,3554,3555,3548,3541,3542,3543,3544,3545,3546,3553,3552,3551,3550,3549,3556,3557,3558,3559,3560,3567,3566,3565,3564,3562,3563,3561,3574,3573,3572,3571,3570,3569,3568,3575,3576,3577,3578,3579,3580,3581,3588,3595,3594,3587,3586,3593,3592,3591,3590,3589,3582,3583,3584,3585″ posts_number=”12″ show_title_and_caption=”off” _builder_version=”4.25.2″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” border_width_all=”5px” border_color_all=”#FFFFFF” sticky_enabled=”0″][\/et_pb_gallery][et_pb_gallery gallery_ids=”2521,2522″ show_title_and_caption=”off” show_pagination=”off” _builder_version=”4.23.4″ _module_preset=”default” custom_margin=”||-35px|||” global_colors_info=”{}”][\/et_pb_gallery][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}” use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” width=”100%” max_width=”100%” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”40px|40px|10px|40px|false|false”][et_pb_column_inner _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}” saved_specialty_column_type=”3_4″][et_pb_heading title=”Our dearest problems” _builder_version=”4.24.0″ _module_preset=”default” title_level=”h4″ global_colors_info=”{}”][\/et_pb_heading][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_orientation=”center” custom_margin=”20px||40px||false|false” global_colors_info=”{}”]<\/p>\n Adam<\/strong> Atkinson<\/strong>\u00a0My Favourite Problem<\/a><\/p>\n Adam Atkinson<\/strong>\u00a0Some of my Favourite Problems<\/a><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0The bridges of Koenigsberg<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Raymond Smullyan\u2019s legacy: A centennial celebration<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0The magic of the periodic table<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0A matter of perspective<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Tiling boards<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0On the probability equilibrium of the Egyptian game Senet<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Euler’s formula and the Pascal triangle<\/i><\/p>\n
_\u00a0<\/span>Carl Friedrich Gauss and the formula for the sum of the first n natural number<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0How a magician hacks the brain<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Pythagoras, Archimedes, and the napkin ring<\/i><\/p>\n
_\u00a0No gardeners like M. Gardner<\/span><\/p>\n
_\u00a0<\/span>A gambling portrait: cheating devices and their story<\/i><\/p>\n
_\u00a0<\/span>Magnums: Counting Sets with Surreals<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0\u00a0Lewis Carroll\u2019s “A tangled tale”<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0The sweet algorithm<\/i><\/span><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 A\u00a0reflection on the ideas of Miguel de Guzman about games and mathematics teaching<\/span><\/i><\/p>\n
_\u00a0\u00abContas de cabe\u00e7a\u00bb – a book of mathematical riddles edit by FPF<\/i><\/span><\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0An innovative card trick that combines classical concepts<\/i><\/p>\n
_\u00a0<\/span>“The book of numbers”: Unveiling sequences<\/i><\/strong><\/i><\/sub><\/sup><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0The numerical calculation of God: a humorous text by Boris Vian<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0The biggest secrets in the world<\/span><\/i><\/p>\n
Colin Wright | Australia
Circo Matem\u00e1tico | Portugal
Francisco Mousinho | Portugal
Ricardo Teixeira | Brazil
Sydney Weaver | United States of America<\/span><\/p>\n
<\/span><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span>Are the Chinese Rings Chinese?<\/i><\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0N{MATH}<\/i><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Defending with one or three dice: What are the RISKs?<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0T<\/i>he magical mystery Thue-Morse<\/i><\/span><\/p>\n
_\u00a0<\/span>Topomagic, always the same trick?<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\u00a0<\/i><\/span>The \u201cOzanam Project\u201d<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Cyclic surprises<\/i>
<\/i><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0History of recreational mathematics<\/i><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Palindromes<\/i><\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0High dimensioned Gosper-like space filling curves<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Mathematical Circus clown tricks<\/i><\/p>\n
_\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Cumulative Subtraction Games<\/i><\/i><\/strong><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Urban sketching with spherical perspective<\/i><\/i><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Symmetry in the walls of the Palace of Ramalh\u00e3o<\/i><\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Who wins the Gambling Tic-Tac-Toe?<\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0Real life problems and a vast conspiracy<\/span><\/i><\/p>\n
_ \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0A Mathematical Modeling Activity: optimization and planning of operating room<\/i><\/i><\/p>\n
_\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Bemposta Palace, Military Academy Museums and laboratory<\/i><\/i><\/p>\n