
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given that $a$ and $b$ satisfy the equation $b=-\frac{1}{2}a^{2}+3\ln a (a > 0)$, and point $Q(m,n)$ lies on the line $y=2x+\frac{1}{2}$, determine the minimum value of $(a-m)^{2}+(b-n)^{2}$.

Present the answer in LaTex format: \boxed{Your answer}
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