Commutative rings, modules, ideals, homological algebra, computational aspects, invariant theory, connections to algebraic geometry and combinatorics.

**12**

**1**answer

### Is $K[[x_1,x_2,\dots]]$ an $\mathfrak m$-adically complete ring?

**2**

**1**answer

### Ideal of the union of two zero loci

**2**

**1**answer

### Finite maps and jacobian condition

**5**

**1**answer

### The soccer splitting problem in arbitrary commutative ring

**5**

**0**answers

### Reference request: A commutative variant of the Exterior Algebra

**0**

**0**answers

### About the multiplicative group of p-adic complex

**7**

**3**answers

### Infinite Galois descent for finitely generated commutative algebras over a field

**0**

**0**answers

### Can one polarize multihomogeneous polynomials?

**0**

**1**answer

### How to classify a plane complex curve?

**1**

**1**answer

### Finding a characteristic for which the zero-locus of an ideal is not empty

**5**

**1**answer

### Minimal resolution of local cohomology module

**0**

**0**answers

### weakly associated prime ideal

**4**

**0**answers

### Can nonflat deformations of singularities always produce Cohen-Macaulay rings?

**1**

**2**answers

### A relation between an ideal and its radical

**2**

**0**answers

### Tie-Breaking Trick for Log Canonical Pairs and F-pure pairs in Positive Characteristic

**7**

**0**answers

### Embedding a given affine variety as a divisor

**8**

**1**answer

### How to visualize the Frobenius endomorphism?

**2**

**0**answers

### Does the $G$-norm coincide with the ordinary norm for “quasi-$G$-Galois” extensions

**3**

**0**answers

### Normal set of points in the plane

**0**

**0**answers

### Are the integers a vector space or algebra over “some” field or over “some” ring?

**1**

**0**answers

### Derivations of special rings

**3**

**0**answers

### Ideals and Idempotents in a commutative ring

**5**

**1**answer

### about morphisms of affine formal schemes $\mathrm{Spf}(B)\to \mathrm{Spf}(A)$

**3**

**0**answers

### Betti numbers of a Cohen-Macaulay Module in small projective dimension

**7**

**2**answers

### A geometric proof of Krull's Principal ideal theorem

**0**

**0**answers

### projective module over inductive limit of rings

**3**

**1**answer

### Solutions to a system of homogeneous equations (inequalities)

**6**

**1**answer

### intersection of free/affine submodules, comparison with vector spaces

**1**

**1**answer

### Is this algorithm for primary decomposition correct?

**-2**

**2**answers

### Reduced ring with all non-prime ideals finitely generated

**2**

**1**answer

### Higher degree of Hilbert's irreducibility theorem

**3**

**0**answers

### Prime ideal generated by two quadratic polynomials

**7**

**2**answers

### Generalized Smith Theorem for the torsion of cokernels

**4**

**0**answers

### Is there a converse of Abhyankar-Moh-Suzuki theorem?

**1**

**0**answers

### Hilbert's irreducibility theorem for prime ideals

**7**

**1**answer

### Is being a Frobenius algebra a rare condition for local algebras?

**9**

**1**answer

### Rings with all non-prime ideals finitely generated

**4**

**1**answer

### Embedding a finite morphism into a finite morphism of smooth varieties

**6**

**0**answers

### Curious anti-commutative ring

**5**

**1**answer

### Does Fermat's last theorem hold in the Grothendieck ring of the ordinals?

**2**

**0**answers

### Intersection of all positive powers of prime ideal in an integral domain with all ideals of finite height

**6**

**1**answer

### Binomial coefficients in discrete valuation rings

**1**

**1**answer

### Coefficients of the monomials appearing in a Schubert polynomial

**0**

**0**answers

### Kelly's theorem for quadratic polynomials

**4**

**1**answer

### How to calculate the Chern class of the tensor product of a torsion free sheaf with a line bundle

**2**

**0**answers

### Witt vectors with $p$-torsion

**4**

**1**answer

### Jordan form on an invariant vector subspace

**1**

**2**answers

### A question arising in the distribution theory of L. Schwartz

**1**

**0**answers

### What can be said about $\{\deg(f),\deg(g),\deg(h)\}$, such that $k[f,g,h]=k[t]$?

**3**

**0**answers