Index of exercises

Exercises of Robert Geroch, Mathematical Physics

• Exercise 7 (When the associated morphisms in direct products/sums are epi/mono)
• Exercise 106 (Equivalent categories)
• Exercise 182 (Universal definition of indiscrete topology)
• Exercise 185 (Direct sum of Hausdorff topological spaces) (unfinished)
• Exercise 224 (Connected subsets one of which meets the closure of the other)
• Exercise 225 (Union of transitively overlapping connected spaces)