The International Workshop on Graph Labeling (IWOGL) 2026

13 – 14 July 2026
Department of Mathematics Building, Universitas Indonesia, Depok — Indonesia.

Deadline: 30 June 2026

The International Workshop on Graph Labeling (IWOGL) 2026 will take place at Universitas Indonesia, Depok, Indonesia. This IWOGL holds special significance as it dedicated to the memory of the late Mirka Miller, the visionary founder of IWOGL, honoring the 10th anniversary of her passing. As we know, the late Mirka Miller was the initiated of IWOGL which the first workshop was held in University of Newcastle, Australia in 2003. This year is the 13th IWOGL and had more than 20 years history.

IWOGL is a problem-oriented series of workshops with emphasis on informal discussion. The main themes of the workshop were the topics within the following areas, but are not limited to:

  • Applications of graph labeling
  • Graceful labeling and their variations
  • Magic-type labeling
  • Sum labeling and variations
  • Prime and vertex prime labeling
  • Binary labeling
  • Average labeling
  • Graph colorings
  • Other Labeling

PROGRAM

Day 1, Monday
13 July 2026
Time Activities Venue
08.00 – 08.30 Registration D Building Hall
08.30 – 09.00 Opening D.108
  Remaks from chair of IWOGL 2026  
Remaks from chair of InaCombS
Welcoming greet from Dean of Dean of Faculty of Mathematics and Natural Sciences Universitas Indonesia
09.00 – 09.45 Keynote Speaker Session 1 D.108
Edy Tri Baskoro, Institut Teknologi Bandung, Indonesia
09.45 – 10.30 Keynote Speaker Session 2 D.108
Dalibor Froncek, University of Minnesota, USA
10.30 – 11.00 Break D Building Hall
11.00 – 11.45 Keynote Speaker Session 3 (online) D.108
Yuqing Lin, University of Newcastle, Australia
11.45 – 12.00 Photo Session FMIPA Plaza
12.00 – 13.00 Lunch D Building Hall
13.00 – 13.45 Keynote Speaker Session 4 D.108
Joe Ryan, University of Newcastle, Australia
13.45 – 15.00 Contibution Talk and Plenary Session 1 D.108, D.107, D.207, D.307
15.00 – 15.15 Break D Building Hall
15.15 – 16.00 Keynote Speaker Session 5 (online) D.108
Martin Baca, Technical University of Kosice, Slovakia
16.00 – 17.00 Remembering Mirka Miller D.108
17.00 – 18.00 Break D Building Hall
18.00 – 20.00 Dinner Multidisiplin Building Hall
Day 2, Tuesday
14 July 2026
Time Activities Venue
09.00 – 09.45 Keynote Speaker Session 6 D.108
Ljiljana Brankovic, University of New England, Australia
09.45 – 10.30 Keynote Speaker Session 7 D.108
Andrea Semanicova-Fenovcikova, Technical University of Kosice, Slovakia
10.30 – 10.45 Break D Building Hall
10.45 – 12.00 Contribution Talk and Plenary Session 2 D.108, D.107, D.207, D.306, D.307
12.00 – 13.00 Lunch D Building Hall
13.00 – 13.45 Keynote Speaker Session 8 (online) D.108
Indra Rajasingh, VIT University, Chennai, India
13.45 – 14.30 Keynote Speaker Session 9 (online) D.108
Sanming Zhou, University of Melbourne, Australia
14.30 – 14.45 Break D Building Hall
14.45 -15.45 Contribution Talk and Plenary Session 3 D.108, D.107, D.207, D. 306, D.307
15.45 – 16.45 Contribution Talk and Plenary Session 4 D.108, D.107, D.207, D.307

The parallel session schedule can be downloaded from the following link. Note that the presentation will be 15 minutes. Please upload your presentation file to this link, before 12 July 2026.

parallel session schedule of IWOGL 2026.

Picture of IWOGL 2026

Dear participant, here the documentation of IWOGL 2026. Thank for join us.

13 Juli 2026

14 Juli 2026

KEYNOTE SPEAKERS

Andrea Semaničová-Feňovčíková

Technical University of Košice, Slovakia

Dalibor Froncek

University of Minnesota, Duluth, U.S.A

Edy Tri Baskoro

Institut Teknologi Bandung, Indonesia

Joe Ryan

University of Newcastle, Australia

Yuqing Lin

University of Newcastle, Australia

Indra Rajasingh

VIT University, Chennai

Ljiljana Brankovic

University of New England, Australia

Martin Bača

Technical University of Košice, Slovakia

Sanming Zhou

University of Melbourne, Australia

INVITED SPEAKERS

  • Alison Marr – Southwestern University, USA
  • Dafik – Universitas Jember, Indonesia
  • Denny Riama Silaban – Universitas Indonesia, Indonesia
  • Shariefuddin Pirzada – University of Kashmir, India
  • Tarkeshwar Singh – Birla Institute of Technology And Science, Pilani (BITS Pilani), India

PUBLICATION

Authors interested in publishing their papers are invited to submit to the following journals. Submissions will undergo the standard peer-review process of the respective journal.

  • Electronic Journal of Graph Theory and Applications ( EJGTA – Q2)
  • Journal of Indonesian Mathematical Society (J. Indones. Math. Soc. – Q4)
  • Indonesian Journal of Combinatorics (IJC – Sinta 2)
  • Jurnal Matematika UNAND (JMUA – Sinta 2)

REGISTRATION

Please complete the registration form: https://bit.ly/RegistrationFormIWOGL2026

Conference Fee
InaCombS Member/Student
Rp. 600.000,-
Non InaCombS Member
Rp. 750.000,-
Overseas Participants
USD 200
Overseas Student
USD 150
  • Conference fee includes Conference Dinner, Morning/Tea Break, Lunch and Conference kit.
  • For overseas participants also include transportation from Soekarno Hatta Airport to accommodation in Depok.

Please pay the Conference Fee to

Bank BNI
Accound Number: 820613209
Account Name: InaCombS
SWIFT/BIC Code BNI: BNINIDJA
Annotation: IWOGL2026

Please send your transfer receipt by filling out this Google Form: https://bit.ly/TransferReceiptIWOGL2026

PARTICIPANTS

  1. Andrea Semaničová-Feňovčíková, Technical University of Košice.
  2. Dalibor Froncek, University of Minnesota.
  3. Edy Tri Baskoro, Institut Teknologi Bandung.
  4. Joe Ryan, University of Newcastle.
  5. Yuqing Lin, University of Newcastle.
  6. Indra Rajasingh, VIT University.
  7. Ljiljana Brankovic, University of New England.
  8. Martin Bača, Technical University of Košice.
  9. Sanming Zhou, University of Melbourne.
  10. Alison Marr, Southwestern University.
  11. Dafik, Universitas Jember.
  12. Denny Riama Silaban, Universitas Indonesia.
  13. Shariefuddin Pirzada, University of Kashmir.
  14. Tarkeshwar Singh, Birla Institute of Technology and Science (BITS Pilani).
  15. Abdul Wahhab, Universitas Indonesia.
  16. Ahmad Muchlas Abrar, Institut Teknologi Bandung.
  17. Ahmad Syarif Nasrullah Ahdal, Universitas Indonesia.
  18. Alifiyah Zahrah Nur’Afifah, Institut Teknologi Bandung.
  19. Alvian Bagus Agatha, Universitas Jember.
  20. Annisa Fitri Maghfiroh Harvyanti, Universitas Jember.
  21. Antonius Prihandoko, Universitas Jember.
  22. Arfa Mushtaq, Comsats University Islamabad.
  23. Arif Rezky Aprilianto, Universitas Indonesia.
  24. Assyifa Mahatir Princess, Universitas Lampung.
  25. Ayesha Andalib Kiran, Institut Teknologi Bandung.
  26. Budi Utami, Politeknik Negeri Jakarta.
  27. Debi Oktia Haryeni, Universitas Indonesia.
  28. Desinta Putri Nuraini, University of Lampung.
  29. Devi Imulia Dian Primaskun, The University of Melbourne.
  30. Diah Prastiwi,Universitas Pertahanan RI.
  31. Dian Kastika Syofyan, National Research and Innovation Agency (BRIN).
  32. Diari Indriati, Universitas Sebelas Maret.
  33. Elizabeth Willyanta, University of Indonesia.
  34. Evi Yuniartika Asmarani, Institut Teknologi Bandung.
  35. Faisal Susanto, Bina Nusantara University.
  36. Fawwaz C. S., Universitas Indonesia.
  37. Fendy Septyanto, School of Data Science, Mathematics, and Informatics.
  38. Hafsa Bibi, Institute of Technology Bandung.
  39. Hanifah Sulastri, Universitas Indonesia.
  40. Hassan Pervaiz, Institut Teknologi Bandung (ITB).
  41. Haykal Jawaharlal Ahmad, Universitas Indonesia.
  42. Herolistra Baskoroputro, Universitas Indonesia.
  43. Hilda Assiyatun, Combinatorial Mathematics Research Group ITB.
  44. Hirawati Lubis, Universitas Pamulang.
  45. I Nengah Suparta, Universitas Pendidikan Ganesha.
  46. Ika Hesti Agustin, Universitas Jember.
  47. Indah Lutfiyatul Mursyidah, Universitas Jember.
  48. Inne Singgih, University of Cincinnati.
  49. Ira Apni Purwasih, National Research and Innovation Agency.
  50. Irfan Hanif Yamashita, Universitas Indonesia.
  51. Isnaini Rosyida, Universitas Negeri Semarang.
  52. Iwan Setiawan, Institut Teknologi Bandung.
  53. Jessica Natama Napitupulu, Universitas Indonesia.
  54. Keagan Daevon Audrich, Universitas Indonesia.
  55. Kezia Declare Taniyara, Universitas Indonesia.
  56. Khusnul Hotimatus Agustina, University of Jember.
  57. Kiki Ariyanti, Universitas Indonesia.
  58. Meilin Imelda Tilukay, Universitas Pattimura.
  59. Milhatunnisa Marits, Institut Teknologi Bandung.
  60. Muhammad Alif Bahri, Universitas Indonesia.
  61. Muhammad Danang Suryantoro, Universitas Indonesia.
  62. Muhammad Farooq, University Malaysia Terengganu.
  63. Muhammad Husnul Khuluq, Brawijaya University.
  64. Muhammad Irfan Arsyad Prayitno, Universitas Gadjah Mada.
  65. Muhammad Jilan Wicaksono, Universitas Indonesia.
  66. Nadia Indarwati Setia Budi, Universitas Gadjah Mada.
  67. Nadia Paramita, Politeknik Siber dan Sandi Negara.
  68. Nahlia Rakhmawati, Universitas Indonesia.
  69. Niswah Qonita, Universitas Diponegoro.
  70. Novi Herawati Bong, University of Delaware.
  71. Patrick Darian, Universitas Indonesia.
  72. Peter John, Universitas Indonesia.
  73. Qurrota A’yuni Ar Ruhimat, Jember University.
  74. Ratsimandresy Yeriel Fiandrianana, Brawijaya University.
  75. Reni Umilasari, Universitas Muhammadiyah Jember.
  76. Rifki Ilham Baihaki, Universitas Airlangga.
  77. Risma Wulandari, Institut Teknologi Bandung.
  78. Rizky Alfanio Atmoko, Universitas Jember.
  79. Ryan Kasyfil Aziz, Universitas Indonesia.
  80. Suhadi Wido Saputro, Institut Teknologi Bandung.
  81. Syabana Nurin Nadia Aziz, University of Jember.
  82. Tita Khalis Maryati, UIN Syarif Hidayatullah Jakarta.
  83. Titin Martini, Universitas Gadjah Mada.
  84. Vitto Rendi Setiawan, Universitas Sebelas Maret.
  85. Yeva Fadhilah Ashari, Universitas Diponegoro.
  86. Yusuf Hafidh, The University of Melbourne.
  87. Zata Yumni Awanis, Research Center for Computing, National Research and Innovation Agency (BRIN).
  88. Zeveliano Zidane Barack, Universitas Indonesia.

ORGANIZERS

Organizing Committee

  • Kiki Ariyanti Sugeng
  • Denny Riama Silaban
  • Debi Oktia Haryeni
  • Gianinna Ardaneswari
  • Herolistra Baskoroputro
  • Nahlia Rakhmawati
  • Peter John
  • Ryan Kasyfil Aziz

IWOGL Steering Committee

  • S. Arumugam, Kalasalingam University, India
  • Dalibor Froncek, University of Minnesota, Duluth, U.S.A.
  • Joe Ryan, The University of Newcastle Australia
  • Kiki Ariyanti Sugeng, Universitas Indonesia, Indonesia
  • Martin Bača, Technical University, Kosice, Slovakia

HISTORY

Previous IWOGL meeting:

TRAVEL AND ACCOMMODATION

Suggested Accommodation near Universitas Indonesia, Depok
No. Hotel Address Estimated drive time to Universitas Indonesia (UI) Approximate rate per night
1 Wisma Makara On campus (Universitas Indonesia) 7 – 10 min IDR 600,000–800,000
2 Pusat Studi Jepang (PSJ) On campus (Universitas Indonesia) 6 – 7 min IDR 200,000–300,000
3 The Margo Hotel Depok Jl. Margonda No. 358, Kemiri Muka, Beji, Depok 15 – 20 min IDR 900,000–1,200,000
4 Savero Hotel Depok Jl. Margonda No. 230A, Kemiri Muka, Beji, Depok 15 – 25 min IDR 550,000–650,000
5 Hotel Santika Depok Jl. Margonda Kav. 88, Kemiri Muka, Beji, Depok 18 – 26 min IDR 700,000–900,000
6 Hotel Kartika One Jl. Raya Lenteng Agung No. 18, Srengseng Sawah, Jagakarsa, Jakarta 10 – 15 min IDR 350,000–500,000
7 Green Warrior Village Jl. H. Muhamad Alif IV No. 6, Kukusan, Beji, Depok 23 – 30 min IDR 350,000–500,000
8 Favehotel Margonda Jl. Margonda No. 166, Kemiri Muka, Beji, Depok 17 – 25 min IDR 700,000–800,000

Public Transportation from Soekarno-Hatta International Airport to Depok (Universitas Indonesia)
No Transportation Description Cost Estimation
(IDR)
Estimated Time Travel
(minutes)
Payment Method
1 Taxi and Online Taxi Bluebird Group
GoCar (online)
Grab (online)
etc.
300,000 - 450,000 40 - 120 Cash or cashless
2 Bus Hiba Utama
DAMRI
95,000 - 100,000 90 - 120 Prepaid Card (e-Money), Debit Card, QRIS
3 Train - KRL Commuter Line Take the Airport Train at Soekarno-Hatta Airport and get off at Manggarai Station. Transfer to the Depok/Bogor platform. Take the commuter line bound to Depok/Bogor and get off at Universitas Indonesia Station or Pondok Cina Station. 75,000 - 95,000 90 - 150 Debit Card, Credit Card, QRIS, Prepaid Card (e-money, Flazz, TapCash, Brizzi)
Taxi Pick-up Point
Airport Bus Pick-up Point
KRL Commuter Line Route Map

CONTACT US

kiki@sci.ui.ac.id

denny@sci.ui.ac.id