Sinan Chu
@chusinan.bsky.social
Researcher @giga-hamburg.de
Editor @jcca-gigahamburg.bsky.social
Alumni @syracuseu.bsky.social @maxwellsu.bsky.social
Bio: https://www.giga-hamburg.de/en/the-giga/team/chu-sinan
China, intellectuals, ethnic politics, IR
Editor @jcca-gigahamburg.bsky.social
Alumni @syracuseu.bsky.social @maxwellsu.bsky.social
Bio: https://www.giga-hamburg.de/en/the-giga/team/chu-sinan
China, intellectuals, ethnic politics, IR
We will be adding more special collections in the coming months and years, so that #JCCA readers will have another way to search for articles of their interest.
Check out our new #JCCA special collections! All articles are #OpenAccess, as always.
@giga-hamburg.de @chusinan.bsky.social
@giga-hamburg.de @chusinan.bsky.social
Explore the Journal of Current Chinese Affairs’ special collections:
• Belt and Road Initiative: ow.ly/aNU550YbX0G
• COVID-19 Pandemic: ow.ly/Kkp550YbX3G
• Ethnicity and Religion: ow.ly/YWTJ50YbX5p
• Chinese Communist Party: ow.ly/lmAU50YbWYq
• Belt and Road Initiative: ow.ly/aNU550YbX0G
• COVID-19 Pandemic: ow.ly/Kkp550YbX3G
• Ethnicity and Religion: ow.ly/YWTJ50YbX5p
• Chinese Communist Party: ow.ly/lmAU50YbWYq
February 12, 2026 at 8:31 AM
We will be adding more special collections in the coming months and years, so that #JCCA readers will have another way to search for articles of their interest.
Reposted by Sinan Chu
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @freieuniversitaet.bsky.social
Sabrina Habich-Sobiegalla and Roland Zeidler compare state- and nonstate-funded CN students in Germany based on a 2023 survey of 474 respondents
doi.org/10.1177/1868...
@giga-hamburg.de @freieuniversitaet.bsky.social
Sabrina Habich-Sobiegalla and Roland Zeidler compare state- and nonstate-funded CN students in Germany based on a 2023 survey of 474 respondents
doi.org/10.1177/1868...
January 22, 2026 at 8:34 AM
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @freieuniversitaet.bsky.social
Sabrina Habich-Sobiegalla and Roland Zeidler compare state- and nonstate-funded CN students in Germany based on a 2023 survey of 474 respondents
doi.org/10.1177/1868...
@giga-hamburg.de @freieuniversitaet.bsky.social
Sabrina Habich-Sobiegalla and Roland Zeidler compare state- and nonstate-funded CN students in Germany based on a 2023 survey of 474 respondents
doi.org/10.1177/1868...
Reposted by Sinan Chu
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Marcin Jacoby & Piotr Machajek analyze the critical responses to CCP narratives of scientific progress and social harmony in CN visual arts and literary texts
doi.org/10.1177/1868...
@giga-hamburg.de @sagepub.com
Marcin Jacoby & Piotr Machajek analyze the critical responses to CCP narratives of scientific progress and social harmony in CN visual arts and literary texts
doi.org/10.1177/1868...
January 20, 2026 at 9:08 AM
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Marcin Jacoby & Piotr Machajek analyze the critical responses to CCP narratives of scientific progress and social harmony in CN visual arts and literary texts
doi.org/10.1177/1868...
@giga-hamburg.de @sagepub.com
Marcin Jacoby & Piotr Machajek analyze the critical responses to CCP narratives of scientific progress and social harmony in CN visual arts and literary texts
doi.org/10.1177/1868...
"When a university's termination decision was informed by concerns about undue interference, this most often constituted a precaution in light of a subjectively anticipated undue interference risk, rather than a reaction to an actual, lived experience of undue interference."
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Polakiewicz & @evaseiwert.bsky.social analyzed the triggers that have led to #GermanUniversities reconsidering their relationships with #ConfuciusInstitutes
doi.org/10.1177/1868...
@giga-hamburg.de @sagepub.com
Polakiewicz & @evaseiwert.bsky.social analyzed the triggers that have led to #GermanUniversities reconsidering their relationships with #ConfuciusInstitutes
doi.org/10.1177/1868...
December 23, 2025 at 10:14 AM
"When a university's termination decision was informed by concerns about undue interference, this most often constituted a precaution in light of a subjectively anticipated undue interference risk, rather than a reaction to an actual, lived experience of undue interference."
Reposted by Sinan Chu
🔔 New #OpenAccess Analysis in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Harlan et al. call for new approaches to engaging China’s aspiration to become a global environmental leader, while asserting clear expectations and responsibilities.
doi.org/10.1177/1868...
@giga-hamburg.de @sagepub.com
Harlan et al. call for new approaches to engaging China’s aspiration to become a global environmental leader, while asserting clear expectations and responsibilities.
doi.org/10.1177/1868...
December 18, 2025 at 7:37 PM
🔔 New #OpenAccess Analysis in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Harlan et al. call for new approaches to engaging China’s aspiration to become a global environmental leader, while asserting clear expectations and responsibilities.
doi.org/10.1177/1868...
@giga-hamburg.de @sagepub.com
Harlan et al. call for new approaches to engaging China’s aspiration to become a global environmental leader, while asserting clear expectations and responsibilities.
doi.org/10.1177/1868...
Reposted by Sinan Chu
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Rochat challenges depictions of China's economic engagement in Africa as monolithic and centrally-directed with a new typology of Chinese capital
journals.sagepub.com/doi/10.1177/...
@giga-hamburg.de @sagepub.com
Rochat challenges depictions of China's economic engagement in Africa as monolithic and centrally-directed with a new typology of Chinese capital
journals.sagepub.com/doi/10.1177/...
December 12, 2025 at 9:16 PM
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Rochat challenges depictions of China's economic engagement in Africa as monolithic and centrally-directed with a new typology of Chinese capital
journals.sagepub.com/doi/10.1177/...
@giga-hamburg.de @sagepub.com
Rochat challenges depictions of China's economic engagement in Africa as monolithic and centrally-directed with a new typology of Chinese capital
journals.sagepub.com/doi/10.1177/...
"Drawing on national survey data collected during the 2020 COVID-19 outbreak in China, we show that Hubei residents and non-state-sector workers were more likely to experience job insecurity and income loss, two crucial risk factors for mental distress. "
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Fan and Qian use mixed methods to investigate the mental health implications of economic risks during China's 2020 COVID-19 outbreak.
journals.sagepub.com/doi/10.1177/...
@giga-hamburg.de @sagepub.com
Fan and Qian use mixed methods to investigate the mental health implications of economic risks during China's 2020 COVID-19 outbreak.
journals.sagepub.com/doi/10.1177/...
November 28, 2025 at 9:26 PM
"Drawing on national survey data collected during the 2020 COVID-19 outbreak in China, we show that Hubei residents and non-state-sector workers were more likely to experience job insecurity and income loss, two crucial risk factors for mental distress. "
"This study identifies two variations of guanxi work processes. [...] The first pattern features a style of guanxi work that stresses the declaration of pseudo-kin or friendship, ritualistic toasting and drinking, and top-down driven emotion work."
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Zhang and Chew analyse “ #guanxi work processes” in Chinese banquets.
journals.sagepub.com/doi/10.1177/...
@giga-hamburg.de @sagepub.com
Zhang and Chew analyse “ #guanxi work processes” in Chinese banquets.
journals.sagepub.com/doi/10.1177/...
November 25, 2025 at 8:11 PM
"This study identifies two variations of guanxi work processes. [...] The first pattern features a style of guanxi work that stresses the declaration of pseudo-kin or friendship, ritualistic toasting and drinking, and top-down driven emotion work."
Reposted by Sinan Chu
Always good to see a new bit of descriptive linguistic work on one of the minoritized languages of Tibet - this time on Easter Minyag.
ses.library.usyd.edu.au/handle/2123/...
ses.library.usyd.edu.au/handle/2123/...
A Descriptive Grammar of Eastern Minyag: An Undescribed Tibeto- Burman Language
ses.library.usyd.edu.au
November 24, 2025 at 4:11 AM
Always good to see a new bit of descriptive linguistic work on one of the minoritized languages of Tibet - this time on Easter Minyag.
ses.library.usyd.edu.au/handle/2123/...
ses.library.usyd.edu.au/handle/2123/...
What's trending in #JCCA Journal of Current #Chinese Affairs?
@giga-hamburg.de @sagepub.com
Check out these trendy articles here: journals.sagepub.com/home/cca
@giga-hamburg.de @sagepub.com
Check out these trendy articles here: journals.sagepub.com/home/cca
November 19, 2025 at 1:09 PM
What's trending in #JCCA Journal of Current #Chinese Affairs?
@giga-hamburg.de @sagepub.com
Check out these trendy articles here: journals.sagepub.com/home/cca
@giga-hamburg.de @sagepub.com
Check out these trendy articles here: journals.sagepub.com/home/cca
#JobOpportunity at GIGA's IT Department: We seek to appoint an #AI and #DigitalResearch Officer (m/f/d). The successful candidate will support the development and implementation of AI-based services and digital research tools at the #GIGA.
➡️ Info and application: www.giga-hamburg.de/en/career/ai...
➡️ Info and application: www.giga-hamburg.de/en/career/ai...
Career
Join the GIGA team! Here you can find more on current vacancies in our academic and service departments as well as on our Doctoral and Visiting Fellow Programmes, on career development, and on further...
www.giga-hamburg.de
November 19, 2025 at 9:56 AM
Reposted by Sinan Chu
#JobOpportunity at GIGA's IT Department: We seek to appoint an #AI and #DigitalResearch Officer (m/f/d). The successful candidate will support the development and implementation of AI-based services and digital research tools at the #GIGA.
➡️ Info and application: www.giga-hamburg.de/en/career/ai...
➡️ Info and application: www.giga-hamburg.de/en/career/ai...
Career
Join the GIGA team! Here you can find more on current vacancies in our academic and service departments as well as on our Doctoral and Visiting Fellow Programmes, on career development, and on further...
www.giga-hamburg.de
November 18, 2025 at 4:59 PM
#JobOpportunity at GIGA's IT Department: We seek to appoint an #AI and #DigitalResearch Officer (m/f/d). The successful candidate will support the development and implementation of AI-based services and digital research tools at the #GIGA.
➡️ Info and application: www.giga-hamburg.de/en/career/ai...
➡️ Info and application: www.giga-hamburg.de/en/career/ai...
🗣️ Join us online on Monday, 01 December 2025, at 11:00 am (CET) to listen to Prof. Matteo Dian and Prof. Silvia Menegazzi unpacking #China's #GSI, #GDI, and #GCI.
Dr. Sebastian Biba will moderate the talk.
@giga-hamburg.de
events.teams.microsoft.com/event/6b0d76...
Dr. Sebastian Biba will moderate the talk.
@giga-hamburg.de
events.teams.microsoft.com/event/6b0d76...
Microsoft Virtual Events Powered by Teams
Microsoft Virtual Events Powered by Teams
events.teams.microsoft.com
November 19, 2025 at 9:53 AM
🗣️ Join us online on Monday, 01 December 2025, at 11:00 am (CET) to listen to Prof. Matteo Dian and Prof. Silvia Menegazzi unpacking #China's #GSI, #GDI, and #GCI.
Dr. Sebastian Biba will moderate the talk.
@giga-hamburg.de
events.teams.microsoft.com/event/6b0d76...
Dr. Sebastian Biba will moderate the talk.
@giga-hamburg.de
events.teams.microsoft.com/event/6b0d76...
"By involving citizens as both participants in and targets of oversight, the platform attempts to create a system of mutual surveillance where citizens monitor each other and report misconduct, while officials are held accountable for addressing public complaints."
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
@christiangoebel.bsky.social and Chen examine how CN local authorities monitor subordinates and enforce “civilised” behaviour among the population.
journals.sagepub.com/doi/epdf/10....
@giga-hamburg.de @sagepub.com
@christiangoebel.bsky.social and Chen examine how CN local authorities monitor subordinates and enforce “civilised” behaviour among the population.
journals.sagepub.com/doi/epdf/10....
November 19, 2025 at 7:52 AM
"By involving citizens as both participants in and targets of oversight, the platform attempts to create a system of mutual surveillance where citizens monitor each other and report misconduct, while officials are held accountable for addressing public complaints."
The December issue of #JCCA is out! Many thanks to all the authors and reviewers for their hard work!
🎉 New #OpenAccess Issue of #JCCA Journal of Current Chinese Affairs (Volume 54 Issue 3, December 2025) is out!
Link: journals.sagepub.com/toc/ccaa/54/3
See replies for details of each contribution (6 research articles + 4 analyses)
@giga-hamburg.de @sagepub.com
Link: journals.sagepub.com/toc/ccaa/54/3
See replies for details of each contribution (6 research articles + 4 analyses)
@giga-hamburg.de @sagepub.com
Journal of Current Chinese Affairs - Volume 54, Number 3
Table of contents for Journal of Current Chinese Affairs, 54, 3
journals.sagepub.com
November 13, 2025 at 2:15 PM
The December issue of #JCCA is out! Many thanks to all the authors and reviewers for their hard work!
Reposted by Sinan Chu
📢 Job Opportunity at the #GIGA & @uni-hamburg.de within the Cluster of Excellence “Climate, Climatic Change, and Society” (CLICCS): We seek to appoint a #PostDoc in Economics or Political Science.
➡️ Apply by 1 December: www.giga-hamburg.de/en/career/po...
➡️ Apply by 1 December: www.giga-hamburg.de/en/career/po...
Postdoctoral Research Fellow (m/f/d) in Economics or Political Science
The GIGA is partner of the University of Hamburg’s Cluster of Excellence “Climate, Climatic Change, and Society” (CLICCS) that investigates climate dynamics and climate-related social dynamics, as wel...
www.giga-hamburg.de
November 4, 2025 at 9:38 AM
📢 Job Opportunity at the #GIGA & @uni-hamburg.de within the Cluster of Excellence “Climate, Climatic Change, and Society” (CLICCS): We seek to appoint a #PostDoc in Economics or Political Science.
➡️ Apply by 1 December: www.giga-hamburg.de/en/career/po...
➡️ Apply by 1 December: www.giga-hamburg.de/en/career/po...
Reposted by Sinan Chu
🌐 Global IR Series: Join #GIGA conversation with guests on how #GlobalIR can move beyond Western-centric views. We’ll explore analytical eclecticism, area studies, and inclusive approaches to world politics.
🗓️ 6 Nov | 4 p.m.📍 Online
➡️ www.giga-hamburg.de/en/events/co...
#InternationalRelations
🗓️ 6 Nov | 4 p.m.📍 Online
➡️ www.giga-hamburg.de/en/events/co...
#InternationalRelations
Global IR Series
This event series delves into the evolving field of Global International Relations, highlighting research and practices at GIGA and beyond. It examines how IR can move beyond Western-centric framework...
www.giga-hamburg.de
November 4, 2025 at 12:39 PM
🌐 Global IR Series: Join #GIGA conversation with guests on how #GlobalIR can move beyond Western-centric views. We’ll explore analytical eclecticism, area studies, and inclusive approaches to world politics.
🗓️ 6 Nov | 4 p.m.📍 Online
➡️ www.giga-hamburg.de/en/events/co...
#InternationalRelations
🗓️ 6 Nov | 4 p.m.📍 Online
➡️ www.giga-hamburg.de/en/events/co...
#InternationalRelations
Reposted by Sinan Chu
#Job opportunity at the #GIGA: We seek to appoint a Postdoctoral Research Fellow (m/f/d) in #DevelopmentEconomics, working on economic & political impacts of geo-economic fragmentation & #geopolitics in Africa, Asia, Latin America, or Middle East.
➡️ Apply now: www.giga-hamburg.de/en/career/po...
➡️ Apply now: www.giga-hamburg.de/en/career/po...
Postdoctoral Research Fellow (m/f/d) Development Economics
The GIGA seeks to appoint a Postdoctoral Research Fellow (m/f/d) Development Economics Applications are invited for a full-time position, with an initial contract of three years and the possibility of...
www.giga-hamburg.de
October 29, 2025 at 1:17 PM
#Job opportunity at the #GIGA: We seek to appoint a Postdoctoral Research Fellow (m/f/d) in #DevelopmentEconomics, working on economic & political impacts of geo-economic fragmentation & #geopolitics in Africa, Asia, Latin America, or Middle East.
➡️ Apply now: www.giga-hamburg.de/en/career/po...
➡️ Apply now: www.giga-hamburg.de/en/career/po...
Reposted by Sinan Chu
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Jørgen Delman examines how Xu Zhiyong's political activism prompted the party-state to suppress him with specifically designed governance tools.
journals.sagepub.com/doi/10.1177/...
@giga-hamburg.de @sagepub.com
Jørgen Delman examines how Xu Zhiyong's political activism prompted the party-state to suppress him with specifically designed governance tools.
journals.sagepub.com/doi/10.1177/...
October 27, 2025 at 1:48 PM
🔔 New #OpenAccess Research Article in #JCCA Journal of Current Chinese Affairs
@giga-hamburg.de @sagepub.com
Jørgen Delman examines how Xu Zhiyong's political activism prompted the party-state to suppress him with specifically designed governance tools.
journals.sagepub.com/doi/10.1177/...
@giga-hamburg.de @sagepub.com
Jørgen Delman examines how Xu Zhiyong's political activism prompted the party-state to suppress him with specifically designed governance tools.
journals.sagepub.com/doi/10.1177/...
Reposted by Sinan Chu
Who shapes the future of the Horn of #Africa?
At our next #GIGATalk, leading experts will discuss how alliances, both global and regional, are influencing political and economic developments in the Horn of Africa.
📅 Thursday, 9 Oct in Berlin
➡️ Register now: www.giga-hamburg.de/en/events/gi...
At our next #GIGATalk, leading experts will discuss how alliances, both global and regional, are influencing political and economic developments in the Horn of Africa.
📅 Thursday, 9 Oct in Berlin
➡️ Register now: www.giga-hamburg.de/en/events/gi...
New Alliances in the Horn of Africa: Navigating Global and Regional Competition
The Horn of Africa is in flux: new alignments, regional rivalries, and global involvement are reshaping prospects for peace and stability. What do these shifts mean for Germany, the EU, and their role...
www.giga-hamburg.de
October 7, 2025 at 11:33 AM
Who shapes the future of the Horn of #Africa?
At our next #GIGATalk, leading experts will discuss how alliances, both global and regional, are influencing political and economic developments in the Horn of Africa.
📅 Thursday, 9 Oct in Berlin
➡️ Register now: www.giga-hamburg.de/en/events/gi...
At our next #GIGATalk, leading experts will discuss how alliances, both global and regional, are influencing political and economic developments in the Horn of Africa.
📅 Thursday, 9 Oct in Berlin
➡️ Register now: www.giga-hamburg.de/en/events/gi...
Reposted by Sinan Chu
How do global and regional powers compete & cooperate in the #HornofAfrica? What role do alliances play in shaping the region’s future?
Join us for #GIGATalk in #Berlin!
📅 Thursday, 9 October | 4:30 p.m. (CEST)
➡️ Register here: www.giga-hamburg.de/en/events/gi...
Join us for #GIGATalk in #Berlin!
📅 Thursday, 9 October | 4:30 p.m. (CEST)
➡️ Register here: www.giga-hamburg.de/en/events/gi...
New Alliances in the Horn of Africa: Navigating Global and Regional Competition
The Horn of Africa is in flux: new alignments, regional rivalries, and global involvement are reshaping prospects for peace and stability. What do these shifts mean for Germany, the EU, and their role...
www.giga-hamburg.de
October 2, 2025 at 9:17 AM
How do global and regional powers compete & cooperate in the #HornofAfrica? What role do alliances play in shaping the region’s future?
Join us for #GIGATalk in #Berlin!
📅 Thursday, 9 October | 4:30 p.m. (CEST)
➡️ Register here: www.giga-hamburg.de/en/events/gi...
Join us for #GIGATalk in #Berlin!
📅 Thursday, 9 October | 4:30 p.m. (CEST)
➡️ Register here: www.giga-hamburg.de/en/events/gi...
I wrote a short piece on #ChineseIR and good international citizenship #GIC. Many thanks to Charalampos Efstathopoulos and Hakan Mehmetcik for their kind invitation & support throughout the entire project.
link.springer.com/chapter/10.1...
link.springer.com/chapter/10.1...
The Chinese IR Trio and Good International Citizenship
Chinese International Relations (IR) theories have attracted sustained scholarly attention over the past two decades and are recognised as important interlocutors to the global conversation about pluralising our knowledge of world politics. In this essay, I...
link.springer.com
October 2, 2025 at 4:00 AM
I wrote a short piece on #ChineseIR and good international citizenship #GIC. Many thanks to Charalampos Efstathopoulos and Hakan Mehmetcik for their kind invitation & support throughout the entire project.
link.springer.com/chapter/10.1...
link.springer.com/chapter/10.1...
The recent study by Tabitha Speelman @tabithaspeelman.bsky.social "Skilled Migrants Wanted? Policy Tensions in the Implementation of Shanghai’s 'New Talent Regime'" gives a good overview of the difficulty of international talent migrating to China
doi.org/10.1177/1868...
doi.org/10.1177/1868...
September 30, 2025 at 12:32 AM
The recent study by Tabitha Speelman @tabithaspeelman.bsky.social "Skilled Migrants Wanted? Policy Tensions in the Implementation of Shanghai’s 'New Talent Regime'" gives a good overview of the difficulty of international talent migrating to China
doi.org/10.1177/1868...
doi.org/10.1177/1868...
In case you are in Vancouver this Friday (Sep 26), I will be giving a talk around noon time (12.30-2.30 pm) on knowledge decolonisation and identity politics in Chinese IR at the Liu Institute for Global Issues, University of British Columbia/UBC.
sppga.ubc.ca/events/event...
sppga.ubc.ca/events/event...
UBC
sppga.ubc.ca
September 25, 2025 at 7:53 AM
In case you are in Vancouver this Friday (Sep 26), I will be giving a talk around noon time (12.30-2.30 pm) on knowledge decolonisation and identity politics in Chinese IR at the Liu Institute for Global Issues, University of British Columbia/UBC.
sppga.ubc.ca/events/event...
sppga.ubc.ca/events/event...
Join us online on 30 September 2025, 2.00 p.m. – 3.15 p.m. (CET) to hear Lina Benabdallah talk about China's influence in the Global South, moderated by Julia Gurol-Haller. A 45-minute Q&A will follow the talk.
#GIGAChinaSeries @giga-hamburg.de
www.giga-hamburg.de/en/events/co...
#GIGAChinaSeries @giga-hamburg.de
www.giga-hamburg.de/en/events/co...
GIGA China Series
Discover how China draws on shared histories, emotional resonance, and nostalgia to shape its influence in the Global South. In this talk, Lina Benabdallah explores how Silk Road memories and anti-col...
www.giga-hamburg.de
September 23, 2025 at 4:41 PM
Join us online on 30 September 2025, 2.00 p.m. – 3.15 p.m. (CET) to hear Lina Benabdallah talk about China's influence in the Global South, moderated by Julia Gurol-Haller. A 45-minute Q&A will follow the talk.
#GIGAChinaSeries @giga-hamburg.de
www.giga-hamburg.de/en/events/co...
#GIGAChinaSeries @giga-hamburg.de
www.giga-hamburg.de/en/events/co...