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All Journal Journal of the Indonesian Mathematical Society Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) DEDIKASI: Community Service Reports
Tantrawan, Made
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Environmental Science Mathematics Mechanical Engineering Physics Social Sciences Other

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Mathematics in Cryptography and Its Applications in Cybersecurity Isnaini, Uha; Qomariasih, Nurul; Amiruddin, Amiruddin; Tantrawan, Made; Arizal, Arizal; Ernanto, Iwan; Adiati, Nadia Paramita Retno; Indarsih, Indarsih; Yasa, Ray Novita; Wijayanti, Indah Emilia; Indarjani, Santi; Salmah, Salmah; Ulfa, Septia; Hartanto, Ari Dwi; Amelia, Fetty
Jurnal Pengabdian kepada Masyarakat (Indonesian Journal of Community Engagement) Vol 11, No 4 (2025): December
Publisher : Direktorat Pengabdian kepada Masyarakat Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpkm.101525

Abstract

The growing prevalence of cyber threats and attacks poses significant risks to the security of personal data and the integrity of sensitive information worldwide. Cryptography plays a vital role in establishing strong cybersecurity defenses, and the development of robust cryptographic algorithms is essential for protecting data against cyber-attacks. This workshop aimed to enhance participants’ understanding of the mathematical foundations of cryptographic algorithms and equip them with practical skills to identify and mitigate cyber threats. It also introduced innovative educational tools, including an Augmented Reality (AR) application for teaching classical cryptography and a Game-Based URL Phishing Education application. A total of 110 participants attended and completed the pre-test. The post-test measured knowledge gained during the workshop, and an accompanying survey gathered feedback on its effectiveness and identified areas for improvement. Overall, the workshop successfully achieved its objectives by educating participants on cryptography in the Internet of Things (IoT), increasing awareness of social engineering, introducing cryptographic tools from ancient to modern times, and exploring the principles of quantum cryptography.
On Generalization of Unbounded Order Convergence in Riesz Spaces Diyaldin, Fahreezan Sheraz; Tantrawan, Made
Journal of the Indonesian Mathematical Society Vol. 32 No. 2 (2026): JUNE
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.v32i2.1611

Abstract

Order convergence is a crucial concept in the theory of Riesz spaces. A generalization of order convergence, known as unbounded order convergence (or uo convergence), has been introduced. In this paper, we present a further generalization of uo convergence by using an arbitrary nonempty subset of the positive cone of the space. We then investigate the properties of this generalization, including uniqueness of limits, algebraic properties, and the relationships among these types of convergence. In particular, we show that the generalizations of uo convergence generated by two subsets are equivalent if and only if the bands generated by those subsets are equal.
Workshop Peningkatan Kompetensi Guru Matematika SMA/MA Kabupaten Banyumas melalui Pelatihan Materi Olimpiade Matematika SMA Tantrawan, Made; Widiyastuti, Erni; Wahyuni, Sri; Susyanto, Nanang; Megawati, Noorma Yulia; Purisha, Zenith; Hartanto, Ari Dwi; Isnaini, Uha; Ernanto, Iwan; Andradi, Hadrian; Azizah, Rahmasari Nur
DEDIKASI: Community Service Reports Vol 7, No 2 (2025): DEDIKASI: Community Service Report - July
Publisher : FKIP Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/dedikasi.v7i2.95193

Abstract

Dalam rangka meningkatkan kompetensi dan kemampuan mengajar guru-guru dalam bidang matematika, sejalan dengan standar kompetensi guru yang ditetapkan pemerintah dalam Permendiknas Nomor 16 Tahun 2007, Departemen Matematika Universitas Gadjah Mada (UGM) bekerja sama dengan Universitas Muhammadiyah Purwokerto mengadakan workshop pelatihan olimpiade matematika yang ditujukan kepada guru-guru Matematika yang tergabung dalam MGMP Matematika SMA/MA Kabupaten Banyumas. Workshop ini telah dilaksanakan pada tanggal 9 Oktober 2024 di SMAN 3 Purwokerto. Kegiatan ini merupakan keberlanjutan dari program PkM yang telah diinisiasi oleh Departemen Matematika UGM sejak 2017. Dukungan berkelanjutan ini diharapkan dapat memperkuat keterampilan guru dalam penguasaan konsep matematika dan aplikasinya dalam pembelajaran di kelas, sehingga berkontribusi pada peningkatan kualitas pendidikan di Indonesia, khususnya di kabupaten Banyumas.
Co-Authors Adiati, Nadia Paramita Retno Amiruddin Amiruddin Andradi, Hadrian Arizal, Arizal Azizah, Rahmasari Nur Diyaldin, Fahreezan Sheraz Fetty Amelia Hartanto, Ari Dwi Indah Emilia Wijayanti Indarjani, Santi indarsih, Indarsih Noorma Yulia Megawati Qomariasih, Nurul Ray Novita Yasa Salmah Salmah Sri Wahyuni Susyanto, Nanang Uha Isnaini Ulfa, Septia Widiyastuti, Erni Zenith Purisha