Paper Assignment 4, 5
Due date: 3/28

Paper 4: Viglietta_2012_1201.4995 (postponned)
    - Read Sections 1, 2, 3
    - Presenter will show a few of the reductions in Section 3
    - https://arxiv.org/abs/1201.4995
    
Paper 5: Hearn_2002_0205005
    - Read Sections 1, 2, 3, 4, 6
    - https://arxiv.org/abs/cs/0205005