Complex sentence: The symbol\\ textstyle\\ Pi denotes standard multiplication while the notation\\ textstyle\\ Phi (B_i) reflects the interpretation of the point process\\ textstyle\\ Phi as a random measure.
Split into simpler sentences: The symbol\\ textstyle\\ Pi denotes standard multiplication. The notation\\ textstyle\\ Phi (B_i) reflects the interpretation of the point process\\ textstyle\\ Phi as a random measure.