The phrase "affect the existence" is correct and usable in written English.
It can be used when discussing how something influences or changes the state of being or presence of something else.
Example: "The new policy may affect the existence of small businesses in the area."
Alternatives: "impact the presence" or "influence the being".
We first examine what factor(s) affect the existence of j-type households and under what condition(s) they exists.
But who can account for the odd ways in which people meet and affect the existence of others?
It did not, in law, affect the existence or operation of the previous statutes out of which the contract in question arose.
In our experiments, the Lewis number did not affect the existence or characteristics of the critical velocity and the characteristic time for boundary layer extinction.
It is found that for the fluidized-bed reactor modelled as CSTR (with no fresh catalyst feed) the increase in internal resistance to mass transport does not affect the existence of three classes of catalyst decay behaviour.
It is shown that for small value of the wellbore storage CD, it will not affect the existence of flow regimes just delay the occurring time of characteristic flow regimes.
The picture is made even more complex by the fact that unusually low levels of rainfall (so-called meteorological drought) isn't the only factor affecting the existence or significance of drought conditions.
To tackle large compactly described transition systems – the state space explosion – a wealth of techniques (e.g., partial-order reduction) have been developed that reduce the search space without affecting the existence of (optimal) solution paths.
Moreover, we show that the local behavior of f at zero affects the existence in a crucial way: this allows us to prove the existence of ground states for a large class of functions f u) without imposing any restriction on their growth for large u.
In general, we may think that the source time (q(x u^{gamma}) only affects the existence of the weak solutions.
They discussed how the summability of f and the value of α affected the existence and regularities of solutions to the above problems.
