Band 3 Band 3 (Title 11 to 15) Band 3 Track 10 B1 Gradients of Quadratic Graphs Band 3 Track 11 Aspects of Proof D4 Band 3 Track 12 Aspects of Proof D4 Band 3 Track 13 Aspects of Proof D4 Band 3 Track 14 Aspects of Proof D4 Band 3 Track 15 Aspects of Proof D4 Band 3 Track 16 Aspects of Proof D4 Band 3 Track 17 Aspects of Proof D4 Band 3 Track 7 B1 Gradients of Quadratic Graphs Band 3 Track 8 B1 Gradients of Quadratic Graphs Band 3 Track 9 B1 Gradients of Quadratic Graphs