Two times during the semester you may hand in your problem set 120 hours late. If you are doing so, please note this on the pset. Otherwise, late homework is not accepted except in an emergency.

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You are encouraged to collaborate on your psets. Write the names of your collaborators on the top of your pset. If you have not collaborated with anyone, write "no collaborator."



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PSET 1, due Feb 5 BEFORE class.

Problems 1, 2, 6  <a href="Ed.Swartz.pdf">From polytopes to enumeration</a>  as well as 
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Exercise 1: Prove that the intersection, product and Minkowski sum of two polytopes is a polytope.
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Exercise 2: Prove that for a 3-dimensional polytope P with v vertices, e edges and f 2-faces we have that v<=2f-4 and f<=2v-4.


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<a href="Psets4550_Sp2015/pset2.pdf">PSET 2</a>, due Feb 12 BEFORE class.



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<a href="Psets4550_Sp2015/pset3.pdf">PSET 3</a>, due Feb 26 BEFORE class.



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<a href="Psets4550_Sp2015/pset4.pdf">PSET 4</a>, due March 5 BEFORE class.



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<a href="Psets4550_Sp2015/pset5.pdf">PSET 5</a>, due March 12 BEFORE class.



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<a href="Psets4550_Sp2015/pset6.pdf">PSET 6</a>, due March 19 BEFORE class.


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<a href="Psets4550_Sp2015/practice_exam2015.pdf">PRACTICE EXAM</a>.



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<a href="Psets4550_Sp2015/pset7.pdf">PSET 7</a>, due April 30 BEFORE class.