Onkar Sadekar
@onkarsadekar.bsky.social
Ph.D. at Department of Network and Data Science, Central European University, Vienna | @IISERPune Alumni
Pinned
Onkar Sadekar
@onkarsadekar.bsky.social
· Jun 19
Drivers of cooperation in social dilemmas on higher‐order networks | Journal of The Royal Society Interface
Understanding cooperation in social dilemmas requires models that capture the complexity
of real-world interactions. While network frameworks have provided valuable insights
to model the evolution of ...
royalsocietypublishing.org
📢📢📢
Thrilled to share our new paper "Drivers of cooperation in social dilemmas on higher-order networks", out now in J. R. Soc. Interface! 🚀
With Andrea Civilini, Vito Latora & @fede7j.bsky.social
🔗 royalsocietypublishing.org/doi/10.1098/...
@dnds_ceu @ceu
1/7
Thrilled to share our new paper "Drivers of cooperation in social dilemmas on higher-order networks", out now in J. R. Soc. Interface! 🚀
With Andrea Civilini, Vito Latora & @fede7j.bsky.social
🔗 royalsocietypublishing.org/doi/10.1098/...
@dnds_ceu @ceu
1/7
Reposted by Onkar Sadekar
What does psychopathology look like from the perspective of people seeking support? Network analysis of Reddit communities vs diagnostic criteria.
Just out in @jmirpub.bsky.social
www.jmir.org/2026/1/e80958/
@sreblet.bsky.social @petrakn.bsky.social
@ceu-dnds.bsky.social @ulresearch.bsky.social
Just out in @jmirpub.bsky.social
www.jmir.org/2026/1/e80958/
@sreblet.bsky.social @petrakn.bsky.social
@ceu-dnds.bsky.social @ulresearch.bsky.social
The Structure of Psychopathology on Reddit: Network Analysis of Mental Health Communities in Relation to the ICD Diagnostic System
Background: Social media platforms such as Reddit have become important spaces where individuals articulate their distress, seek support, and explore alternative ways of understanding mental health ou...
www.jmir.org
February 2, 2026 at 11:33 AM
What does psychopathology look like from the perspective of people seeking support? Network analysis of Reddit communities vs diagnostic criteria.
Just out in @jmirpub.bsky.social
www.jmir.org/2026/1/e80958/
@sreblet.bsky.social @petrakn.bsky.social
@ceu-dnds.bsky.social @ulresearch.bsky.social
Just out in @jmirpub.bsky.social
www.jmir.org/2026/1/e80958/
@sreblet.bsky.social @petrakn.bsky.social
@ceu-dnds.bsky.social @ulresearch.bsky.social
Reposted by Onkar Sadekar
🎓 Yesterday, January 21, 2026, Júlia Számely successfully defended her PhD dissertation on misinformation engagement, combining survey data with digital trace data to better understand who engages with misinformation online—and why.
Congratulations! 🎉📚
#WeAreCEU #NetworkScience #PhDLife
Congratulations! 🎉📚
#WeAreCEU #NetworkScience #PhDLife
January 22, 2026 at 3:34 PM
🎓 Yesterday, January 21, 2026, Júlia Számely successfully defended her PhD dissertation on misinformation engagement, combining survey data with digital trace data to better understand who engages with misinformation online—and why.
Congratulations! 🎉📚
#WeAreCEU #NetworkScience #PhDLife
Congratulations! 🎉📚
#WeAreCEU #NetworkScience #PhDLife
Reposted by Onkar Sadekar
The call for participants for Complexity72h is finally open! Apply by February 28 for the best collab ever!
Why???
✨ Amazing projects
👩🏫 Fantastic tutors
📍 A great location
👉 Apply now: www.complexitynextgen.org/complexity72...
Do you REALLY need anything else to be convinced?
We didn’t think so.
Why???
✨ Amazing projects
👩🏫 Fantastic tutors
📍 A great location
👉 Apply now: www.complexitynextgen.org/complexity72...
Do you REALLY need anything else to be convinced?
We didn’t think so.
Call for Participants - complexitynextgen
Menu Call for Participants – Call For Scholarships Deadline: 28 Feb 2026 Are you a curious and motivated young researcher interested in complex systems? Are
www.complexitynextgen.org
January 19, 2026 at 3:21 PM
The call for participants for Complexity72h is finally open! Apply by February 28 for the best collab ever!
Why???
✨ Amazing projects
👩🏫 Fantastic tutors
📍 A great location
👉 Apply now: www.complexitynextgen.org/complexity72...
Do you REALLY need anything else to be convinced?
We didn’t think so.
Why???
✨ Amazing projects
👩🏫 Fantastic tutors
📍 A great location
👉 Apply now: www.complexitynextgen.org/complexity72...
Do you REALLY need anything else to be convinced?
We didn’t think so.
Reposted by Onkar Sadekar
Fourth-year PhD student @claraeminente.bsky.social presented new work on two fronts: why people overestimate the size of racial minority groups in the US, and how intersectional homophily might reduce racial segregation in school friendship networks. 👏
#WeAreCEU #NetworkScience
#WeAreCEU #NetworkScience
December 3, 2025 at 11:40 AM
Fourth-year PhD student @claraeminente.bsky.social presented new work on two fronts: why people overestimate the size of racial minority groups in the US, and how intersectional homophily might reduce racial segregation in school friendship networks. 👏
#WeAreCEU #NetworkScience
#WeAreCEU #NetworkScience
Reposted by Onkar Sadekar
4th-year PhD candidate Helcio Felippe presented new work on using information theory to summarize network structure — including a measure of network & hypergraph similarity and a principled way to reduce higher-order representations. 👏
#NetworkScience
#NetworkScience
December 5, 2025 at 1:16 PM
4th-year PhD candidate Helcio Felippe presented new work on using information theory to summarize network structure — including a measure of network & hypergraph similarity and a principled way to reduce higher-order representations. 👏
#NetworkScience
#NetworkScience
Reposted by Onkar Sadekar
On Dec 3, 4th-year PhD candidate Martí Medina-Hernández presented how ML and network science can reveal hidden patterns of corruption across Mexico, Bulgaria & Italy.
His work shows how data-driven methods can support stronger public-integrity policy.
#WeAreCEU #NetworkScience #CorruptionResearch
His work shows how data-driven methods can support stronger public-integrity policy.
#WeAreCEU #NetworkScience #CorruptionResearch
December 9, 2025 at 9:26 AM
On Dec 3, 4th-year PhD candidate Martí Medina-Hernández presented how ML and network science can reveal hidden patterns of corruption across Mexico, Bulgaria & Italy.
His work shows how data-driven methods can support stronger public-integrity policy.
#WeAreCEU #NetworkScience #CorruptionResearch
His work shows how data-driven methods can support stronger public-integrity policy.
#WeAreCEU #NetworkScience #CorruptionResearch
Reposted by Onkar Sadekar
On Dec 3, 4th-year PhD candidate @loreb92.bsky.social presented his research on group dynamics in human & animal systems.
His work shows how leadership shifts affect software teams, how bird groups form stable higher-order social cores, and how to detect such structures from data.
#NetworkScience
His work shows how leadership shifts affect software teams, how bird groups form stable higher-order social cores, and how to detect such structures from data.
#NetworkScience
December 10, 2025 at 10:54 AM
On Dec 3, 4th-year PhD candidate @loreb92.bsky.social presented his research on group dynamics in human & animal systems.
His work shows how leadership shifts affect software teams, how bird groups form stable higher-order social cores, and how to detect such structures from data.
#NetworkScience
His work shows how leadership shifts affect software teams, how bird groups form stable higher-order social cores, and how to detect such structures from data.
#NetworkScience
Reposted by Onkar Sadekar
3rd-year PhD student @bojanevkoski.bsky.social presented new work on mapping the structure of psychopathology using large-scale, heterogeneous data.
He compared insights from online support communities with clinical and registry data to uncover patterns that may inform future diagnostics.
He compared insights from online support communities with clinical and registry data to uncover patterns that may inform future diagnostics.
December 16, 2025 at 9:13 AM
3rd-year PhD student @bojanevkoski.bsky.social presented new work on mapping the structure of psychopathology using large-scale, heterogeneous data.
He compared insights from online support communities with clinical and registry data to uncover patterns that may inform future diagnostics.
He compared insights from online support communities with clinical and registry data to uncover patterns that may inform future diagnostics.
Reposted by Onkar Sadekar
Structural Reducibility of Hypergraphs link.aps.org/doi/10.1103/...
Structural Reducibility of Hypergraphs
An information-theoretic framework finds and removes redundancies in a hypergraph representation of a network, allowing for more efficient analysis of higher-order elements.
link.aps.org
December 14, 2025 at 9:29 AM
Structural Reducibility of Hypergraphs link.aps.org/doi/10.1103/...
Reposted by Onkar Sadekar
CEU DNDS is looking for a new Assistant Professor to join us in #Vienna!
If you work in #NetworkScience or #ComputationalSocialScience, we’d love to hear from you.
👉 bit.ly/44lfXb4
If you work in #NetworkScience or #ComputationalSocialScience, we’d love to hear from you.
👉 bit.ly/44lfXb4
December 11, 2025 at 1:07 PM
CEU DNDS is looking for a new Assistant Professor to join us in #Vienna!
If you work in #NetworkScience or #ComputationalSocialScience, we’d love to hear from you.
👉 bit.ly/44lfXb4
If you work in #NetworkScience or #ComputationalSocialScience, we’d love to hear from you.
👉 bit.ly/44lfXb4
Reposted by Onkar Sadekar
Yian Yin shows initial setbacks can make you stronger and more impactful in both sport and science
#ComplexNetworks2025
#ComplexNetworks2025
December 8, 2025 at 7:09 PM
Yian Yin shows initial setbacks can make you stronger and more impactful in both sport and science
#ComplexNetworks2025
#ComplexNetworks2025
Reposted by Onkar Sadekar
But many social goods — cooperation, friendship, teaching — are not only positive, but also innate.
Discussed in Blueprint: The Evolutionary Origins of a Good Society — the book I have written of which I am proudest.
www.amazon.com/Blueprint-Ev...
Discussed in Blueprint: The Evolutionary Origins of a Good Society — the book I have written of which I am proudest.
www.amazon.com/Blueprint-Ev...
Blueprint: The Evolutionary Origins of a Good Society
Blueprint: The Evolutionary Origins of a Good Society [Christakis MD PhD, Nicholas A.] on Amazon.com. *FREE* shipping on qualifying offers. Blueprint: The Evolutionary Origins of a Good Society
www.amazon.com
November 24, 2025 at 5:00 PM
But many social goods — cooperation, friendship, teaching — are not only positive, but also innate.
Discussed in Blueprint: The Evolutionary Origins of a Good Society — the book I have written of which I am proudest.
www.amazon.com/Blueprint-Ev...
Discussed in Blueprint: The Evolutionary Origins of a Good Society — the book I have written of which I am proudest.
www.amazon.com/Blueprint-Ev...
Reposted by Onkar Sadekar
🔈 *Call for Participation* 🔈
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
November 18, 2025 at 9:30 AM
🔈 *Call for Participation* 🔈
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
Italian Conference on Computational Social Science – CS2Italy
May 19-21, 2026 in Torino, Italy
Premier venue for Computational Social Science in Italy: #sociology #polisci #economics #netsci #complexsystems ++
Submit your abstract by Jan 15: cs2italy.org
plz reshare
Reposted by Onkar Sadekar
📢 Keynotes unlocked: 8/12. Thrilled to have Andrea Migliano as a keynote speaker in Complenet’26! Join us to learn more about #anthropology and #networks!
🌐 Info & registration: complenet.weeblysite.com
🚨 Call for contributions open – submit by Nov 15, 2025!
🌐 Info & registration: complenet.weeblysite.com
🚨 Call for contributions open – submit by Nov 15, 2025!
October 17, 2025 at 3:12 PM
📢 Keynotes unlocked: 8/12. Thrilled to have Andrea Migliano as a keynote speaker in Complenet’26! Join us to learn more about #anthropology and #networks!
🌐 Info & registration: complenet.weeblysite.com
🚨 Call for contributions open – submit by Nov 15, 2025!
🌐 Info & registration: complenet.weeblysite.com
🚨 Call for contributions open – submit by Nov 15, 2025!
Reposted by Onkar Sadekar
We're pleased to announce and congratulate the winners of the Advancing Cultural Evolution Course Design Awards! This competition recognises leading educators in the field of cultural evolution and their existing efforts to advance its teaching.
We have 7 winners and 2 runners up (listed below):
We have 7 winners and 2 runners up (listed below):
October 10, 2025 at 4:12 PM
We're pleased to announce and congratulate the winners of the Advancing Cultural Evolution Course Design Awards! This competition recognises leading educators in the field of cultural evolution and their existing efforts to advance its teaching.
We have 7 winners and 2 runners up (listed below):
We have 7 winners and 2 runners up (listed below):
Reposted by Onkar Sadekar
The Jane Goodall Institute of Canada has learned this morning, Wednesday, October 1st, 2025, that Dr. Jane Goodall DBE, UN Messenger of Peace and Founder of the Jane Goodall Institute, has passed away due to natural causes.
She was in California as part of her speaking tour in the United States.
She was in California as part of her speaking tour in the United States.
October 1, 2025 at 6:14 PM
The Jane Goodall Institute of Canada has learned this morning, Wednesday, October 1st, 2025, that Dr. Jane Goodall DBE, UN Messenger of Peace and Founder of the Jane Goodall Institute, has passed away due to natural causes.
She was in California as part of her speaking tour in the United States.
She was in California as part of her speaking tour in the United States.
Reposted by Onkar Sadekar
(new paper)
📑 A large-scale study of Premenstrual Dysphoric Disorder in online settings: looking at reported symptoms, treatments, and comorbidities on Reddit.
Collaboration with @sreblet.bsky.social , @petrakn.bsky.social and Julie Riddell
🔗 www.nature.com/articles/s41...
#PMDD #MentalHealth
📑 A large-scale study of Premenstrual Dysphoric Disorder in online settings: looking at reported symptoms, treatments, and comorbidities on Reddit.
Collaboration with @sreblet.bsky.social , @petrakn.bsky.social and Julie Riddell
🔗 www.nature.com/articles/s41...
#PMDD #MentalHealth
October 1, 2025 at 1:00 PM
(new paper)
📑 A large-scale study of Premenstrual Dysphoric Disorder in online settings: looking at reported symptoms, treatments, and comorbidities on Reddit.
Collaboration with @sreblet.bsky.social , @petrakn.bsky.social and Julie Riddell
🔗 www.nature.com/articles/s41...
#PMDD #MentalHealth
📑 A large-scale study of Premenstrual Dysphoric Disorder in online settings: looking at reported symptoms, treatments, and comorbidities on Reddit.
Collaboration with @sreblet.bsky.social , @petrakn.bsky.social and Julie Riddell
🔗 www.nature.com/articles/s41...
#PMDD #MentalHealth
Reposted by Onkar Sadekar
Network Science, and three of its avengers, featured in the latest @veritasium.bsky.social video (one of the largest youtube channels for Science education)!! youtu.be/CYlon2tvywA?... @stevenstrogatz.com Duncan Watts @barabasi.bsky.social
Something Strange Happens When You Trace How Connected We Are
YouTube video by Veritasium
youtu.be
October 1, 2025 at 6:58 AM
Network Science, and three of its avengers, featured in the latest @veritasium.bsky.social video (one of the largest youtube channels for Science education)!! youtu.be/CYlon2tvywA?... @stevenstrogatz.com Duncan Watts @barabasi.bsky.social
Reposted by Onkar Sadekar
🎓 Welcome to our new PhD cohort in Network Science!
(top row, L→R) Nathalia, Miguel @msanchezc.bsky.social, Zhina
(bottom row, L→R) Jiachen, Dima and Laura
Wishing you an inspiring start to your journey—looking forward to all the ideas and discoveries ahead! 💡🌍
(top row, L→R) Nathalia, Miguel @msanchezc.bsky.social, Zhina
(bottom row, L→R) Jiachen, Dima and Laura
Wishing you an inspiring start to your journey—looking forward to all the ideas and discoveries ahead! 💡🌍
September 25, 2025 at 3:16 PM
🎓 Welcome to our new PhD cohort in Network Science!
(top row, L→R) Nathalia, Miguel @msanchezc.bsky.social, Zhina
(bottom row, L→R) Jiachen, Dima and Laura
Wishing you an inspiring start to your journey—looking forward to all the ideas and discoveries ahead! 💡🌍
(top row, L→R) Nathalia, Miguel @msanchezc.bsky.social, Zhina
(bottom row, L→R) Jiachen, Dima and Laura
Wishing you an inspiring start to your journey—looking forward to all the ideas and discoveries ahead! 💡🌍
Reposted by Onkar Sadekar
Reposted by Onkar Sadekar
September 4, 2025 at 7:52 PM
Reposted by Onkar Sadekar
📢Take a breath, you have extra days to finish!
Due to technical issues with @openreviewnet this week, we’ve extended all deadlines by 2 weeks.
🗓️New deadline for abstracts: Sept 19, 23:59 AoE
📷 More info: netscix2026.github.io
@MLuczak @ProfMSmall @droneale @danielapaolotti
Due to technical issues with @openreviewnet this week, we’ve extended all deadlines by 2 weeks.
🗓️New deadline for abstracts: Sept 19, 23:59 AoE
📷 More info: netscix2026.github.io
@MLuczak @ProfMSmall @droneale @danielapaolotti
September 4, 2025 at 11:53 PM
📢Take a breath, you have extra days to finish!
Due to technical issues with @openreviewnet this week, we’ve extended all deadlines by 2 weeks.
🗓️New deadline for abstracts: Sept 19, 23:59 AoE
📷 More info: netscix2026.github.io
@MLuczak @ProfMSmall @droneale @danielapaolotti
Due to technical issues with @openreviewnet this week, we’ve extended all deadlines by 2 weeks.
🗓️New deadline for abstracts: Sept 19, 23:59 AoE
📷 More info: netscix2026.github.io
@MLuczak @ProfMSmall @droneale @danielapaolotti
Reposted by Onkar Sadekar
Animal interactions are not dyadic as usually modeled, so how relevant are higher-order relationships? The first part of #CRAB ends with Lorenzo Betti modelling biological behavior beyond pairwise interactions, uncovering higher-order structure within cohesive groups.
#CCS2025
#CCS2025
September 3, 2025 at 2:07 PM
Reposted by Onkar Sadekar
Proc. R. Soc. B: Dispersed female networks: female gorillas’ inter-group relationships influence dispersal decisions
https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2025.0223?af=R
https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2025.0223?af=R
August 14, 2025 at 2:47 PM
Proc. R. Soc. B: Dispersed female networks: female gorillas’ inter-group relationships influence dispersal decisions
https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2025.0223?af=R
https://royalsocietypublishing.org/doi/abs/10.1098/rspb.2025.0223?af=R
Reposted by Onkar Sadekar
So happy to see my first PhD paper out royalsocietypublishing.org/doi/10.1098/...
With my amazing supervisor @robinmorrison.bsky.social and the @savinggorillas.bsky.social, we examined female dispersal decisions in mountain gorillas.
With my amazing supervisor @robinmorrison.bsky.social and the @savinggorillas.bsky.social, we examined female dispersal decisions in mountain gorillas.
Dispersed female networks: female gorillas’ inter-group relationships influence dispersal decisions | Proceedings of the Royal Society B: Biological Sciences
Dispersal is a fundamental aspect of many animal societies, impacting gene flow, knowledge transmission, culture and individual fitness. However, little is known about the information individuals use when dispersing. Mountain gorillas exhibit a flexible ...
royalsocietypublishing.org
August 6, 2025 at 4:24 PM
So happy to see my first PhD paper out royalsocietypublishing.org/doi/10.1098/...
With my amazing supervisor @robinmorrison.bsky.social and the @savinggorillas.bsky.social, we examined female dispersal decisions in mountain gorillas.
With my amazing supervisor @robinmorrison.bsky.social and the @savinggorillas.bsky.social, we examined female dispersal decisions in mountain gorillas.