Tjark Vredeveld

Activities

Activities per year 2004 2004 2021 2022

• 40 Talk or presentation - at conference
• 11 Editorial activity; journal
• 4 PhD (co-) supervision / assessment committee - internal promotion
• 4 Membership of board
• 9 More
  • 3 Peer review (publication)
  • 3 Membership of committee
  • 2 External Collaborating in research projects
  • 1 Performance, Talk or Presentation - not at conference

Activities per year

Search results

• Additive approximation and approximation schemes for load balancing

  Tjark Vredeveld (Invited speaker)

  9 Sept 2022

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Additive approximation schemes for load balancing problems

  Tjark Vredeveld (Speaker)

  25 Jan 2022

  Activity: Talk or presentation / Performance / Speeches › Performance, Talk or Presentation - not at conference › Academic

• Velocity Optimisation on Waterways

  Tjark Vredeveld (Assessment committee chair)

  16 Nov 2021

  Activity: PhD examination / assessment committee › PhD (co-) supervision / assessment committee - internal promotion › Academic

• LNMB (External organisation)

  Tjark Vredeveld (Member)

  1 Sept 2021 → 31 Dec 2021

  Activity: Membership (due to research expertise) › Membership of board › Academic

• Probabilistic Analyses of Combinatorial Optimization Problems on Random Shortest Path Metrics

  Tjark Vredeveld (Assessment committee member)

  3 Nov 2021

  Activity: PhD examination / assessment committee › PhD (co-) supervision / assessment committee - internal promotion › Academic

• LNMB (External organisation)

  Tjark Vredeveld (Member)

  1 Jan 2021 → 31 Dec 2021

  Activity: Membership (due to research expertise) › Membership of board › Academic

• Mathematics Center Maastricht (External organisation)

  Tjark Vredeveld (Member)

  1 Jan 2021 → 31 Dec 2021

  Activity: Membership (due to research expertise) › Membership of board › Academic

• Optimization of hinterland container transportation and terminal operations

  Tjark Vredeveld (Assessment committee member)

  19 Jan 2021

  Activity: PhD examination / assessment committee › PhD (co-) supervision / assessment committee - internal promotion › Academic

• Dutch Seminar on Optimization (series) (Event)

  Tjark Vredeveld (Member)

  1 Jan 2021 → 31 Dec 2021

  Activity: Membership (due to research expertise) › Membership of committee › Academic

• Additive approximation schemes

  Tjark Vredeveld (Speaker)

  30 Apr 2021

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Universidad de Chile

  Tjark Vredeveld (Visiting researcher)

  20 Jan 2020 → 22 Jan 2020

  Activity: External Collaboration / Teaching / Employment › External Collaborating in research projects › Academic

• Heavy-traffic behaviour of scheduling policies in queues

  Tjark Vredeveld (Assessment committee member)

  31 May 2018

  Activity: PhD examination / assessment committee › PhD (co-) supervision / assessment committee - internal promotion › Academic

• Equitable Hamiltonian Cycles

  Tjark Vredeveld (Speaker)

  16 Nov 2018

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Landelijk Netwerk Mathematische Besliskunde (External organisation)

  Tjark Vredeveld (Member)

  2018

  Activity: Membership (due to research expertise) › Membership of board › Academic

• On the equitable Hamiltonian Cycle problem

  Tjark Vredeveld (Speaker)

  16 May 2018

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Universidad de Chile

  Tjark Vredeveld (Visiting researcher)

  6 May 2018 → 19 May 2018

  Activity: External Collaboration / Teaching / Employment › External Collaborating in research projects › Academic

• Discrete Applied Mathematics (Journal)

  Tjark Vredeveld (Peer reviewer / referee)

  2018

  Activity: Publication peer-review and editorial work › Peer review (publication) › Academic

• Journal of Scheduling (Journal)

  Tjark Vredeveld (Peer reviewer / referee)

  2018

  Activity: Publication peer-review and editorial work › Peer review (publication) › Academic

• Lecturer of course

  Tjark Vredeveld - van der Schaft (Speaker)

  Feb 2016 → Jun 2016

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Journal of the American Mathematical Society (Journal)

  Tjark Vredeveld - van der Schaft (Peer reviewer / referee)

  2016 → …

  Activity: Publication peer-review and editorial work › Peer review (publication) › Academic

• Member of working group on Labourmarket & Education (Event)

  Tjark Vredeveld - van der Schaft (Member)

  2016 → …

  Activity: Membership (due to research expertise) › Membership of committee › Academic

• Member of working group Innovation (Event)

  Tjark Vredeveld - van der Schaft (Member)

  2016 → …

  Activity: Membership (due to research expertise) › Membership of committee › Academic

• Scheduling with job-dependent machine speeds

  Tjark Vredeveld - van der Schaft (Speaker)

  2 Dec 2015

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Scheduling with state-dependent machine speeds

  Tjark Vredeveld - van der Schaft (Speaker)

  13 May 2015

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Smoothed performance guarantees for local jumps in makespan scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  31 Oct 2013

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Jumping through the neighborhood: a smoothed analysis problem

  Tjark Vredeveld - van der Schaft (Speaker)

  6 Nov 2013

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Smoothed performance guarantees of local search and the price of anarchy

  Tjark Vredeveld - van der Schaft (Speaker)

  4 May 2011

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Smoothed jumping through the neighborhood

  Tjark Vredeveld - van der Schaft (Speaker)

  21 Apr 2011

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Using Stochastic Dominance in the comparison of online algorithms

  Tjark Vredeveld - van der Schaft (Speaker)

  19 Nov 2009

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Stochastic Dominance for Comparing Online Algorithms

  Tjark Vredeveld - van der Schaft (Speaker)

  25 Aug 2009

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Comparing algorithms for the online bincoloring problem via Stochastic Dominance

  Tjark Vredeveld - van der Schaft (Speaker)

  8 Apr 2009

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• SOS: Stochastic Online Scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  12 Feb 2008

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Performance guarantees of very large-scale neighborhoods for minimizing makespan on identical machines.

  Tjark Vredeveld - van der Schaft (Speaker)

  28 Apr 2008

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Stochastic dominance in the analysis of online algorithms.

  Tjark Vredeveld - van der Schaft (Speaker)

  4 Jun 2008

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Worst-case quality of polynomial searchable neighborhoods

  Tjark Vredeveld - van der Schaft (Speaker)

  22 Feb 2007

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• A combined model for scheduling under uncertainty

  Tjark Vredeveld - van der Schaft (Speaker)

  29 Mar 2007

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Worst-case analysis of the quality of very large-scale neighborhoods for minimizing makespan on identical machines

  Tjark Vredeveld - van der Schaft (Speaker)

  2 Jul 2007

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Very largescale neighborhoods with performance guarantees for minimizing makespan on parallel machines

  Tjark Vredeveld - van der Schaft (Speaker)

  11 Oct 2007

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Guarantees on local optima for parallel machine scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  27 Mar 2007

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Approximation results for preemptive stochastic online scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  3 Aug 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Worst-case anlaysis of local search

  Tjark Vredeveld - van der Schaft (Speaker)

  9 Nov 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• On single machine precedence constrained scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  27 Jun 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Theory vs. Practice: worst-case analysis of local search

  Tjark Vredeveld - van der Schaft (Speaker)

  28 Jul 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Approximation results for preemptive stochastic online scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  11 Sept 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Scheduling under Uncertainty

  Tjark Vredeveld - van der Schaft (Speaker)

  24 Jul 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• A 2-approximation for preemptive stochastich (online) scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  27 Sept 2006

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Operations Research Letters (Journal)

  Tjark Vredeveld - van der Schaft (Editor)

  1 Jan 2005 → 31 Dec 2005

  Activity: Publication peer-review and editorial work › Editorial activity; journal › Academic

• European Journal of Operational Research (Journal)

  Tjark Vredeveld - van der Schaft (Editor)

  1 Jan 2005 → 31 Dec 2005

  Activity: Publication peer-review and editorial work › Editorial activity; journal › Academic

• Average Case and Smoothed Competitive Analysis of the Multi-Level Feedback Algorithm

  Tjark Vredeveld - van der Schaft (Speaker)

  16 Jan 2005

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic

• Two 2-approximations for stochastic online scheduling

  Tjark Vredeveld - van der Schaft (Speaker)

  16 Sept 2005

  Activity: Talk or presentation / Performance / Speeches › Talk or presentation - at conference › Academic