# Questions tagged [boolean-functions]

Questions about Boolean functions and their analysis

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### Cohomological approach to boolean complexity

A few years ago, there was some work by Joel Friedman relating lower circuit bounds to Grothendieck cohomology (see papers: http://arxiv.org/abs/cs/0512008, http://arxiv.org/abs/cs/0604024). Has this ...
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### Monotone arithmetic circuits

The state of our knowledge about general arithmetic circuits seems to be similar to the state of our knowledge about Boolean circuits, i.e. we don't have good lower-bounds. On the other hand we have ...
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### Complexity of multi-linear polynomial computing Boolean function

Let $f:\{0,1\}^{n}\longmapsto\{0,1\}$ be a Boolean function. As usual, let $C(f)$ denote circuit complexity of $f$, i.e, the size of the smallest Boolean circuit computing $f$. As we know that every ...
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### Are all the functions whose fourier weight is concentrated on the small sized sets computed by AC0 circuits?

Are all the functions whose fourier weight is concentrated on the small sized sets(or terms with low degree) computed by $\mathsf{AC}^0$ circuits ?
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### Checking formulas with two quantifiers ($\forall \exists$) - 2QBF

SAT solvers give a powerful way to check the validity of a boolean formula with one quantifier. For instance, to check the validity of $\exists x . \varphi(x)$, we can use a SAT solver to determine ...
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### Given a subset of the hypercube and a copy translated by s, find s

Problem: Suppose we are given an $n$ element subset $A\subseteq\{0,1\}^d$ of the $d$ dimensional hypercube and a translated copy $B= A+s$ by some secret $s\in\{0,1\}^d$. Find $s$ as fast as possible ...
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### Boolean functions with exponential size OBDD representation in all orders except one order?

Are there boolean functions with exponential size OBDD representation in all orders except one order? ...exponential size in all orders except very few orders? The exceptional orders should be ...
Expressing a boolean function $f$ $:\{ 0,1 \}^{n} \rightarrow \{0,1 \}$ using a polynomial $P(x_{1},...,x_{n})$, where $x_{1},...,x_{n}$ may be integer, finite fields, or other fields. One of the most ...