Tjark Vredeveld

Activities

Activities per year 2004 2004 2021 2023

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

Activities per year

Search results

• Additive approximation and approximation schemes for load balancing

  Vredeveld, T. (Invited speaker)

  9 Sept 2022

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

• Additive approximation schemes

  Vredeveld, T. (Speaker)

  30 Apr 2021

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

• On the equitable Hamiltonian Cycle problem

  Vredeveld, T. (Speaker)

  16 May 2018

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

• Equitable Hamiltonian Cycles

  Vredeveld, T. (Speaker)

  16 Nov 2018

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

• Lecturer of course

  Vredeveld - van der Schaft, T. (Speaker)

  Feb 2016 → Jun 2016

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

• Scheduling with job-dependent machine speeds

  Vredeveld - van der Schaft, T. (Speaker)

  2 Dec 2015

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

• Scheduling with state-dependent machine speeds

  Vredeveld - van der Schaft, T. (Speaker)

  13 May 2015

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

• Jumping through the neighborhood: a smoothed analysis problem

  Vredeveld - van der Schaft, T. (Speaker)

  6 Nov 2013

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

• Smoothed performance guarantees for local jumps in makespan scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  31 Oct 2013

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

• Smoothed jumping through the neighborhood

  Vredeveld - van der Schaft, T. (Speaker)

  21 Apr 2011

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

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

  Vredeveld - van der Schaft, T. (Speaker)

  4 May 2011

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

• Comparing algorithms for the online bincoloring problem via Stochastic Dominance

  Vredeveld - van der Schaft, T. (Speaker)

  8 Apr 2009

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

• Stochastic Dominance for Comparing Online Algorithms

  Vredeveld - van der Schaft, T. (Speaker)

  25 Aug 2009

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

• Using Stochastic Dominance in the comparison of online algorithms

  Vredeveld - van der Schaft, T. (Speaker)

  19 Nov 2009

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

• SOS: Stochastic Online Scheduling

  Vredeveld - van der Schaft, T. (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.

  Vredeveld - van der Schaft, T. (Speaker)

  28 Apr 2008

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

• Stochastic dominance in the analysis of online algorithms.

  Vredeveld - van der Schaft, T. (Speaker)

  4 Jun 2008

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

• A combined model for scheduling under uncertainty

  Vredeveld - van der Schaft, T. (Speaker)

  29 Mar 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

  Vredeveld - van der Schaft, T. (Speaker)

  11 Oct 2007

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

• Worst-case quality of polynomial searchable neighborhoods

  Vredeveld - van der Schaft, T. (Speaker)

  22 Feb 2007

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

• Guarantees on local optima for parallel machine scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  27 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

  Vredeveld - van der Schaft, T. (Speaker)

  2 Jul 2007

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

• Approximation results for preemptive stochastic online scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  3 Aug 2006

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

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

  Vredeveld - van der Schaft, T. (Speaker)

  27 Sept 2006

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

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

  Vredeveld - van der Schaft, T. (Speaker)

  28 Jul 2006

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

• Worst-case anlaysis of local search

  Vredeveld - van der Schaft, T. (Speaker)

  9 Nov 2006

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

• Approximation results for preemptive stochastic online scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  11 Sept 2006

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

• On single machine precedence constrained scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  27 Jun 2006

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

• Scheduling under Uncertainty

  Vredeveld - van der Schaft, T. (Speaker)

  24 Jul 2006

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

• Two 2-approximations for stochastic online scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  16 Sept 2005

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

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

  Vredeveld - van der Schaft, T. (Speaker)

  16 Jan 2005

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

• Optimization under Uncertainty

  Vredeveld - van der Schaft, T. (Speaker)

  17 Jun 2004

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

• Modelling, analysis and simulation of modular real-time series

  Vredeveld - van der Schaft, T. (Speaker)

  2 Feb 2004

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

• Increasing the size of a neighbourhood is not necessarily beneficial

  Vredeveld - van der Schaft, T. (Speaker)

  3 Sept 2004

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

• Stochastic Online Scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  21 Jun 2004

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

• Models and Algorithms for Stochastic Online Scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  16 Dec 2004

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

• Stochastic Online Scheduling on Parallel Machines

  Vredeveld - van der Schaft, T. (Speaker)

  28 Jun 2004

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

• Modelling, analysis and simulation of modular real-systems

  Vredeveld - van der Schaft, T. (Speaker)

  1 Jan 2004

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

• Welche BahnCard soll ich kaufen?

  Vredeveld - van der Schaft, T. (Speaker)

  12 Jun 2004

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

• Combining Stochastic and Online Scheduling

  Vredeveld - van der Schaft, T. (Speaker)

  23 Jun 2004

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