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• gch vs. generalized-continuum-hypothesis (Both names should be kept here with a synonym in one or the other direction. After all, people around here know what GCH is, so it probably can remain the master tag. But adding a synonym might be useful addition, since people looking for the tag corresponding to their might start to write something liked "continuum hypothesis" in the tag field.)
• dg-algebras $\to$ differential-graded-algebras, dg-categories $\to$ differential-graded-categories (Maybe shortened names could be kept as synonyms - since MO users are probably used to them by now?)

• topological-quantum-field-theory $\to$ tqft
• unique-factorization-domains $\to$ ufds

• gch vs. generalized-continuum-hypothesis (Both names should be kept here with a synonym in one or the other direction. After all, people around here know what GCH is, so it probably can remain the master tag. But adding a synonym might be useful addition, since people looking for the tag corresponding to their might start to write something liked "continuum hypothesis" in the tag field.)
• dg-categories $\to$ differential-graded-categories (Maybe the shortened name could be kept as synonyms - since MO users are probably used to it by now?)

• differential-graded-algebras $\to$ dg-algebras
• topological-quantum-field-theory $\to$ tqft
• unique-factorization-domains $\to$ ufds

• gch vs. generalized-continuum-hypothesis (Both names should be kept here with a synonym in one or the other direction. After all, people around here know what GCH is, so it probably can remain the master tag. But adding a synonym might be useful addition, since people looking for the tag corresponding to their might start to write something liked "continuum hypothesis" in the tag field.)
• dg-algebras $\to$ differential-graded-algebras, dg-categories $\to$ differential-graded-categories (Maybe shortened names could be kept as synonyms - since MO users are probably used to them by now?)
• stochastic-diff-equations $\to$ stochastic-differential-equations
• supercuspidal-repr $\to$ supercuspidal-representations

Shortening which moderators already replaced

• cartesian-closed $\to$ cartesian-closed-categories
• classical-invariant-theor $\to$ classical-invariant-theory
• combinatorial-group-theor $\to$ combinatorial-group-theory
• combinatorial-hopf-algebr $\to$ combinatorial-hopf-algebras
• combinatorial-number-theo $\to$ combinatorial-number-theory
• combinatorial-optimizatio $\to$ combinatorial-optimization
• computational-group-theo $\to$ computational-group-theory
• computational-number-theo $\to$ computational-number-theory
• derived-algebraic-geometr $\to$ derived-algebraic-geometry
• differential-galois-theor $\to$ differential-galois-theory
• differential-graded-lie-a $\to$ differential-graded-lie-algebras
• infinite-dim-manifolds $\to$ infinite-dimensional-manifolds
• infinite-time-computabili $\to$ infinite-time-computability
• modular-rep-theory $\to$ modular-representation-theory
• multiplicative-number-the $\to$ multiplicative-number-theory
• probabilistic-number-theo $\to$ probabilistic-number-theory
• pseudo-differential-opera $\to$ pseudo-differential-operators
• symmetric-monoidal-catego $\to$ symmetric-monoidal-categories
• transcend.-number-theory $\to$ transcendental-number-theory¹

• gch vs. generalized-continuum-hypothesis (Both names should be kept here with a synonym in one or the other direction. After all, people around here know what GCH is, so it probably can remain the master tag. But adding a synonym might be useful addition, since people looking for the tag corresponding to their might start to write something liked "continuum hypothesis" in the tag field.)
• dg-algebras $\to$ differential-graded-algebras, dg-categories $\to$ differential-graded-categories (Maybe shortened names could be kept as synonyms - since MO users are probably used to them by now?)

Shortening which moderators already replaced

• stochastic-diff-equations $\to$ stochastic-differential-equations
• supercuspidal-repr $\to$ supercuspidal-representations
• cartesian-closed $\to$ cartesian-closed-categories
• classical-invariant-theor $\to$ classical-invariant-theory
• combinatorial-group-theor $\to$ combinatorial-group-theory
• combinatorial-hopf-algebr $\to$ combinatorial-hopf-algebras
• combinatorial-number-theo $\to$ combinatorial-number-theory
• combinatorial-optimizatio $\to$ combinatorial-optimization
• computational-group-theo $\to$ computational-group-theory
• computational-number-theo $\to$ computational-number-theory
• derived-algebraic-geometr $\to$ derived-algebraic-geometry
• differential-galois-theor $\to$ differential-galois-theory
• differential-graded-lie-a $\to$ differential-graded-lie-algebras
• infinite-dim-manifolds $\to$ infinite-dimensional-manifolds
• infinite-time-computabili $\to$ infinite-time-computability
• modular-rep-theory $\to$ modular-representation-theory
• multiplicative-number-the $\to$ multiplicative-number-theory
• probabilistic-number-theo $\to$ probabilistic-number-theory
• pseudo-differential-opera $\to$ pseudo-differential-operators
• symmetric-monoidal-catego $\to$ symmetric-monoidal-categories
• transcend.-number-theory $\to$ transcendental-number-theory¹

• topological-quantum-field-theory $\to$ tqft

• topological-quantum-field-theory $\to$ tqft
• unique-factorization-domains $\to$ ufds