Krull dimension of the ring of global sectionsInjective dimension of $mathcalO_X$-modulesKrull dimension and Morley rankDo constructible sets have Krull dimension?Compare global sections of restriction and pullback of sheavesKrull-dimension of local domainCan the transcendence degree differ from the Krull dimension for the pluricanonical ring of a variety?Schemes monomorphing into affine scheme of dimension 1Irreducible of finite Krull dimension implies quasi-compact?Finiteness of Krull dimension is localClosed points on scheme locally of finite Krull dimension

Krull dimension of the ring of global sections


Injective dimension of $mathcalO_X$-modulesKrull dimension and Morley rankDo constructible sets have Krull dimension?Compare global sections of restriction and pullback of sheavesKrull-dimension of local domainCan the transcendence degree differ from the Krull dimension for the pluricanonical ring of a variety?Schemes monomorphing into affine scheme of dimension 1Irreducible of finite Krull dimension implies quasi-compact?Finiteness of Krull dimension is localClosed points on scheme locally of finite Krull dimension













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Let $X$ be an irreducible scheme. Can the Krull dimension of $mathcalO_X(X)$ exceed that of $X$?










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    Let $X$ be an irreducible scheme. Can the Krull dimension of $mathcalO_X(X)$ exceed that of $X$?










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      2





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      Let $X$ be an irreducible scheme. Can the Krull dimension of $mathcalO_X(X)$ exceed that of $X$?










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      Let $X$ be an irreducible scheme. Can the Krull dimension of $mathcalO_X(X)$ exceed that of $X$?







      ag.algebraic-geometry schemes






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      asked 3 hours ago









      Anna KarelinaAnna Karelina

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          1 Answer
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          $begingroup$

          Yes, this happens if $X$ is the punctured spectrum of a two dimensional regular local ring.






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          • $begingroup$
            what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
            $endgroup$
            – schematic_boi
            2 hours ago












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          1 Answer
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          active

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          active

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          active

          oldest

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          3












          $begingroup$

          Yes, this happens if $X$ is the punctured spectrum of a two dimensional regular local ring.






          share|cite|improve this answer








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          • $begingroup$
            what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
            $endgroup$
            – schematic_boi
            2 hours ago
















          3












          $begingroup$

          Yes, this happens if $X$ is the punctured spectrum of a two dimensional regular local ring.






          share|cite|improve this answer








          New contributor




          darx is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.






          $endgroup$












          • $begingroup$
            what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
            $endgroup$
            – schematic_boi
            2 hours ago














          3












          3








          3





          $begingroup$

          Yes, this happens if $X$ is the punctured spectrum of a two dimensional regular local ring.






          share|cite|improve this answer








          New contributor




          darx is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.






          $endgroup$



          Yes, this happens if $X$ is the punctured spectrum of a two dimensional regular local ring.







          share|cite|improve this answer








          New contributor




          darx is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          share|cite|improve this answer



          share|cite|improve this answer






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          answered 2 hours ago









          darxdarx

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          • $begingroup$
            what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
            $endgroup$
            – schematic_boi
            2 hours ago

















          • $begingroup$
            what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
            $endgroup$
            – schematic_boi
            2 hours ago
















          $begingroup$
          what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
          $endgroup$
          – schematic_boi
          2 hours ago





          $begingroup$
          what is the Krull dimension of such $X$? I believe $X$ has closed points, so puncturing should not really change anything, right?
          $endgroup$
          – schematic_boi
          2 hours ago











          Anna Karelina is a new contributor. Be nice, and check out our Code of Conduct.









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