I have indicated the referents with square brackets.
In this case the quantity in square brackets in equation 2 is a constant in time.
Values in square brackets indicate that the parameter was fixed at the stated level.
Total number of collected fruits appears in square brackets.
For the sake of readability we have omitted the type information (in square brackets).
With m2h positive, t2 implies that the second term within square brackets is positive and contributes negatively to welfare when t2 is reduced.
Setting the expressions in the square brackets equal to zero yields the desired dispersion relations.
The term in square brackets depends only on the material proper ties, and it is independent from the pulse parameters and the other excitation conditions.
