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326 papers in math.AC · page 5
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A_I ∩ A_J equals A_{I∩J} on three-dimensional varieties
Embeddings and intersections of adelic groups
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Proj of Rees algebra need not be Noetherian in three dimensions
The Proj of the Rees algebra of a graded family of ideals
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Generic residual intersections have determined arithmetic rank
The arithmetic rank of the residual intersections of a complete intersection ideal
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Criteria detect maximal ideal among associated primes of monomial powers
Criteria for the presence of the maximal ideal in the set of associated primes
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Wronskians define N-ary brackets in polynomial analogues of sl(2)
Wronskians as $N$-ary brackets in finite-dimensional analogues of $sl(2)$
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Surreal automorphism group decomposes into five factors
Decomposing the automorphism group of the surreal numbers
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Approximate prime ideals are closed under the ring closure operator
Approximate Algebra via Closure Operators: An Axiomatic Theory of Modules and Geometry
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Exact separating Noether number determined for rank-4 abelian groups
On separating sets of polynomial invariants of finite abelian group actions
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Stable torsion pairs always induce derived equivalences
Detecting derived equivalences with the CHZ criterion
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Stiefel variety projections lack sections for some ranks
The nonexistence of sections of Stiefel varieties and stably free modules
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Plus-pure thresholds limit to F-pure thresholds under ramification
Bounds on the plus-pure thresholds of some hypersurfaces in (ramified) regular rings
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Ring of ω-invariants in F_2 symmetric functions has explicit presentation
The ring of $\omega$-invariant symmetric functions in characteristic 2
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Ring extension class group equals kernel of Picard map
Ideal class group of an extension of rings and Picard group
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Infinite sums alone yield a refined topology and new quotients
Algebraization of infinite summation
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Complete local rings always split unit groups as direct product
Splitting in a complete local ring and decomposition its group of units
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Finite O-sequence counts obey sub-Fibonacci bound
Counting finite $O$-sequences of a given multiplicity
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Closed orbits classified for classical groups on enhanced modules
Closed Orbits and Descents for Enhanced Standard Representations of Classical Groups
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Monomial ideal Stanley length bounded by generator count
On the Stanley length of monomial ideals
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d+1 G-level bound on perfect complexes detects Gorenstein rings of dim <=d
G-levels of perfect complexes
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Log discrepancies on smooth surfaces form discrete set
Liftings of ideals in positive characteristic to those in characteristic zero:Surface case
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Equality cases classified for F-pure thresholds of equigenerated ideals
On lower bounds for the F-pure threshold of equigenerated ideals
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Equivalence shown for finiteness of associated primes in local cohomology
Finiteness of the set of associated primes for local cohomology modules of ideals via properties of almost factorial rings
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Line axioms in liners yield quasi-fields and loops
Linear Geometry and Algebra
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Unibranched singularities required for A1-contractible Koras-Russell varieties
Necessary and sufficient conditions for $\A^1$-contractibility of Koras-Russell type varieties
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Cohen-Macaulayness holds exactly when one local cohomology module vanishes
A note concerning the vanishing of local cohomology for roots in mixed characteristic
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Rational invariant fields generated by degree ≤ 2D + 1
Generic orbits, normal bases, and generation degree for fields of rational invariants
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Trace formula reduces disconnected Stanley-Reisner case to connected
Canonical traces of graded fiber products: applications to disconnected Stanley--Reisner rings
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Bound on variables fixes Hilbert function for symmetric ideals
On General Principal Symmetric Ideals
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Theta functions satisfy valuative independence and reciprocity
Valuative independence and cluster theta reciprocity
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Graph conditions fix all standard properties of edge-ideal LCM lattices
Properties of LCM Lattices of Monomial Ideals
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Newton polygons generalize Dumas' polynomial irreducibility criterion
A generalization of Dumas irreducibility criterion
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Every ordinal is the order of a differential operator on infinite polynomials
Torsion modules and differential operators in infinitely many variables
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Weight levels of localized D-modules fixed by b-function root multiplicities
Filtrations of D-modules along semi-invariant functions
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Differential modules characterize finite injective dimension over local rings
Differential modules: a perspective on Bass' question
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Equivalence over faithfully flat extensions descends to the base ring
Equivalence of germs (of mappings and sets) over k vs that over K
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Stable categories of factorizations match monomorphism chains
Categorical matrix factorizations and monomorphism categories
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Noetherian stacks are regular exactly when Perf equals D^b_coh
Categorical characterizations of regularity for algebraic stacks
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Bivariate monomial ideal powers get explicit generators after a threshold
Minimal generating sets of large powers of bivariate monomial ideals
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New algorithm counts 29 quadrillion semigroups of genus 76
Exploring the unleaved tree of numerical semigroups up to a given genus
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Nonprincipal ramification ideals not forced by defect in composite degrees
Topics in higher ramification theory I
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CM forests stay CM under square-free powering
Square-free powers of Cohen-Macaulay simplicial forests
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One-forms extend logarithmically on F-regular singularities
Extending one-forms on $F$-regular singularities
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Topology operations yield new Macaulay posets and rings
Constructions of Macaulay Posets and Macaulay Rings
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Frobenius twists of modules detect regular rings
On the test properties of the Frobenius endomorphism
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Nullstellensatz equivalents survive in infinite dimensions
Infinite Versions of Hilbert's Nullstellensatz
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Pruning preserves dg-algebra structures on resolutions
DG-Sensitive Pruning & a Complete Classification of DG Trees and Cycles
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Matching toric ideals equivalent to bipartite edge-coloring theorem
Toric ideal of matching polytopes and edge colorings
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Finite outer automorphism groups preserve bi-orders only under classified conditions
Order-Preserving outer automorphisms of free and surface groups
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BCM-thresholds recover F-thresholds for non-principal ideals
BCM-thresholds of non-principal ideals
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Bounds on irreducible factors give power series irreducibility tests
Some factorization results for formal power series