{"id":234,"date":"2025-07-28T09:49:04","date_gmt":"2025-07-28T02:49:04","guid":{"rendered":"https:\/\/algebra.math-ugm.id\/?p=234"},"modified":"2025-07-30T21:23:09","modified_gmt":"2025-07-30T14:23:09","slug":"10th-day-and-closing-ceremony-cimpa-school-2025-on-arithmetic-in-action-number-theory-and-its-applications-to-cryptography-and-coding-theory","status":"publish","type":"post","link":"https:\/\/algebra.math-ugm.id\/en\/10th-day-and-closing-ceremony-cimpa-school-2025-on-arithmetic-in-action-number-theory-and-its-applications-to-cryptography-and-coding-theory\/","title":{"rendered":"10th Day and Closing Ceremony : CIMPA SCHOOL 2025 on Arithmetic in Action: Number Theory and its Applications to Cryptography and Coding Theory"},"content":{"rendered":"<p>Universitas Gadjah Mada, Yogyakarta, Indonesia<\/p>\n<p><strong><span style=\"font-size: 14pt;\">July 25, 2025<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 14pt;\">Lecturing session:<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">The final day of CIMPA SCHOOL 2025 began with a lecture by Dr. Anna Maria Iezzi. She started <span style=\"font-size: 1rem;\">her session by presenting the historical background of Robert McEliece\u2019s seminal paper on &#8216;A Public-Key Cryptography System Based on Algebraic Coding&#8217;. She then introduced the McEliece framework, detailing the key generation, encryption, and decryption processes within the system.<\/span><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-240 size-large\" style=\"color: #737373; font-size: 1rem;\" src=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/photo_2025-07-28-09.35.15-1024x768.jpeg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/photo_2025-07-28-09.35.15-1024x768.jpeg 1024w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/photo_2025-07-28-09.35.15-300x225.jpeg 300w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/photo_2025-07-28-09.35.15-768x576.jpeg 768w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/photo_2025-07-28-09.35.15.jpeg 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 14pt;\">Exercise and Sagemath session<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">During the exercise session, participants continued working on problems related to cryptography, as assigned by the speaker. This was followed by a SageMath session, where participants engaged in practical computations related to coding and cryptographic algorithms. This marked the final SageMath session of the school.<\/p>\n<p style=\"text-align: justify;\"><strong><span style=\"font-size: 14pt;\">The closing ceremony<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">The closing ceremony commenced with participants sharing their reflections and experiences from the two-week program. Following this, remarks were delivered by Dr. Richard Griffon, Coordinator of CIMPA Research School 2025; Dr. Uha Isnaini, Chair of the Organizing Committee; Dr. Christophe Ritzenthaler, Executive Director of CIMPA; and Prof. Wiratni, S.T., M.T., Ph.D., IPM., Secretary of Partnerships and Global Relations at Universitas Gadjah Mada. Their speeches emphasized the success of the school, the significance of international collaboration, and expressed sincere thanks to all contributors, speakers, organizers, and participants for their involvement in making the event a success.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-236 size-large aligncenter\" src=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00445-scaled-e1753670420134-1024x822.jpg\" alt=\"\" width=\"640\" height=\"514\" srcset=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00445-scaled-e1753670420134-1024x822.jpg 1024w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00445-scaled-e1753670420134-300x241.jpg 300w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00445-scaled-e1753670420134-768x617.jpg 768w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00445-scaled-e1753670420134.jpg 1430w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-235 size-large\" src=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00457-1024x576.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00457-1024x576.jpg 1024w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00457-300x169.jpg 300w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00457-768x432.jpg 768w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00457-1536x864.jpg 1536w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00457-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-238 size-large\" src=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00479-1024x576.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00479-1024x576.jpg 1024w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00479-300x169.jpg 300w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00479-768x432.jpg 768w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00479-1536x864.jpg 1536w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00479-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-237 size-large\" src=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00487-1024x576.jpg\" alt=\"\" width=\"640\" height=\"360\" srcset=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00487-1024x576.jpg 1024w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00487-300x169.jpg 300w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00487-768x432.jpg 768w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00487-1536x864.jpg 1536w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00487-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-239 size-full\" style=\"color: #737373; font-size: 1rem;\" src=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1440\" srcset=\"https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-scaled.jpg 2560w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-300x169.jpg 300w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-1024x576.jpg 1024w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-768x432.jpg 768w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-1536x864.jpg 1536w, https:\/\/algebra.math-ugm.id\/wp-content\/uploads\/2025\/07\/DSC00507-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Universitas Gadjah Mada, Yogyakarta, Indonesia July 25, 2025 Lecturing session: [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-234","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/posts\/234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/comments?post=234"}],"version-history":[{"count":3,"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/posts\/234\/revisions"}],"predecessor-version":[{"id":269,"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/posts\/234\/revisions\/269"}],"wp:attachment":[{"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/media?parent=234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/categories?post=234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/algebra.math-ugm.id\/en\/wp-json\/wp\/v2\/tags?post=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}