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j.c.
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In the paper "Poincaré duality and commutative differential graded algebras""Poincaré duality and commutative differential graded algebras", Lambrechts and Stanley constructed PD model for cdga with simply connected cohomology. My question is: if $A$ and $B$ are two quasi-isomoprhic CDGA, and  $\hat{A}$ and $\hat{B}$ be their PD models respectively, are $\hat{A}$ andand $\hat{B}$ quasi-isomorphic as PD algebras?

In the paper "Poincaré duality and commutative differential graded algebras" Lambrechts and Stanley constructed PD model for cdga with simply connected cohomology. My question is: if $A$ and $B$ are two quasi-isomoprhic CDGA, and  $\hat{A}$ and $\hat{B}$ be their PD models respectively, are $\hat{A}$ and $\hat{B}$ quasi-isomorphic as PD algebras?

In the paper "Poincaré duality and commutative differential graded algebras", Lambrechts and Stanley constructed PD model for cdga with simply connected cohomology. My question is: if $A$ and $B$ are two quasi-isomoprhic CDGA, and $\hat{A}$ and $\hat{B}$ be their PD models respectively, are $\hat{A}$ and $\hat{B}$ quasi-isomorphic as PD algebras?

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YCor
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Arun
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In the paper "Poincaré duality and commutative differential graded algebras" Lambrechts and Stanley constructed PD model for cdga with simply connected cohomology. My question is: if $A$ and $B$ are two quasi-isomoprhic CDGA, and $\hat{A}$ and $\hat{B}$ be their PD models respectively, does there exist aare $\hat{A}$ and $\hat{B}$ quasi-isomorphism $f:\hat{A} \rightarrow \hat{B}$ which respect theisomorphic as PD structurealgebras?

In the paper "Poincaré duality and commutative differential graded algebras" Lambrechts and Stanley constructed PD model for cdga with simply connected cohomology. My question is: if $A$ and $B$ are two quasi-isomoprhic CDGA, and $\hat{A}$ and $\hat{B}$ be their PD models respectively, does there exist a quasi-isomorphism $f:\hat{A} \rightarrow \hat{B}$ which respect the PD structure?

In the paper "Poincaré duality and commutative differential graded algebras" Lambrechts and Stanley constructed PD model for cdga with simply connected cohomology. My question is: if $A$ and $B$ are two quasi-isomoprhic CDGA, and $\hat{A}$ and $\hat{B}$ be their PD models respectively, are $\hat{A}$ and $\hat{B}$ quasi-isomorphic as PD algebras?

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Arun
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