{
  "objects": [
    "B0",
    "B3"
  ],
  "graded_ext_spaces": {
    "Ext^*(B0,B0)": "F_3[u]",
    "Ext^*(B3,B3)": "F_3[u]",
    "Ext^*(B0,B3)": "x\u00b7F_3[u]",
    "Ext^*(B3,B0)": "y\u00b7F_3[u]"
  },
  "degrees": {
    "deg(u)": 2,
    "deg(x)": 1,
    "deg(y)": 1
  },
  "relations": [
    "y x = u e0",
    "x y = u e3"
  ],
  "description": "Ext^*(B0 \u2295 B3, B0 \u2295 B3) is the graded path algebra on two vertices with one odd arrow each way and one central degree-2 periodicity variable."
}