Join experts in discussing linear and abstract algebra topics. This includes vector spaces and linear transformations. Also groups and other algebraic structures along with Number Theory.
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Group Ring Integral dihedral group with order 6
- cbarker1
- · Replies 1 ·
Graduate What Are Double Rotations in 4-Space and Their Conditions?
- zpconn
- · Replies 1 ·
Graduate What is an Initial Segment here?: Reidemeister-Schreier Method
- Bacle
- · Replies 1 ·
Graduate Convergence of Ratios in Genetic System of Iterated Equations
- daniel6874
- · Replies 1 ·
Graduate Are all root systems defined with respect to a bilinear form?
- jostpuur
- · Replies 1 ·
Graduate Complex Cholesky Decomposition
- magda3227
- · Replies 1 ·
Graduate Can Complex Numbers Really Be Interpreted as Energy Levels in Physics?
- nomadreid
- · Replies 1 ·
Graduate Homogenous Polynomials and Algebraically Independent Sets
- shaggymoods
- · Replies 1 ·
Undergrad Ax=b; every vector b is exactly from one vector x (from row space of A) <more>?
- kthurst
- · Replies 1 ·
Graduate What are some strategies for classifying p-groups?
- jgens
- · Replies 1 ·
Graduate Is Selberg's Zeta Function Proof of the Riemann Hypothesis?
- zetafunction
- · Replies 1 ·
Graduate Quadratic Forms: Closed Form from Values on Basis?
- Bacle
- · Replies 1 ·
Undergrad Gaussian elimination for homogeneous linear systems
- cianfa72
- · Replies 26 ·
Graduate What is the relationship between group theory and the number of Latin squares?
- AdrianZ
- · Replies 1 ·
Graduate Understanding Monotonic Partitioning: Explanation and Example
- Lotus
- · Replies 1 ·
Graduate Analytic form of eigenpairs for a special matrix
- robertsj
- · Replies 1 ·
Graduate Question on decomposition of a matrix
- mnb96
- · Replies 1 ·
Graduate Maximise the following expression subject to the constraint
- brendan_foo
- · Replies 1 ·
Finite vs Ring Groups: Examining Theorems
- cbarker1
- · Replies 3 ·
Graduate Normal forms of polynomials over a semiring
- icantadd
- · Replies 1 ·
Graduate Vector space (no topology) basis
- mathman
- · Replies 38 ·
Graduate Greatest common divisor of polynomials
- Pere Callahan
- · Replies 1 ·
Graduate Completeness of orthonormal functions
- Karthiksrao
- · Replies 1 ·
Graduate How do you recover a group from the automorphisms of the forgetful functor?
- Jim Kata
- · Replies 1 ·
Graduate Representation of a Rotation Matrix
- Dahaka14
- · Replies 1 ·
Graduate Requirements for Hom(-,A) to be exact.
- rasmhop
- · Replies 1 ·
Undergrad Prove that if T is injective, T*T is invertible
- JJ__
- · Replies 1 ·
Graduate Demostration of Taimanov's Extension Theorem
- heras1985
- · Replies 1 ·
Graduate Uniqueness of Group Presentations
- Newtime
- · Replies 1 ·
Graduate Are all (q) prime ideals in Z(\rho)?
- learningphysics
- · Replies 1 ·
Graduate Any deep results from Hopf Algebras (or Quantum groups)?
- tim_lou
- · Replies 1 ·
Graduate Fraction of Elements in a group mapped to own inverse by automorphism
- deluks917
- · Replies 1 ·
Graduate Can prime fields act two ways on the same abelian group?
- imurme8
- · Replies 1 ·
Graduate Uniqueness issue of direct sum decompostion of a representation?
- kof9595995
- · Replies 1 ·
Graduate Composition Factors cyclic IFF finite group soluble
- TaliskerBA
- · Replies 1 ·
Graduate Fpt problem in quadratic residues
- smslca
- · Replies 1 ·
Graduate Can You Determine a Matrix M from Quadratic Forms?
- Chuck37
- · Replies 1 ·
Graduate Pure Pairwise Nash Equilibriums in multiplayer games
- Xian
- · Replies 1 ·
Graduate How to write the algorithm? I have figured out a method to find the inverse.
- Ask4material
- · Replies 1 ·
Graduate Schur product for complex numbers.
- rkrsnan
- · Replies 1 ·
Graduate What can the multiplication table tell us about the representation?
- sadness
- · Replies 1 ·
Graduate Can every ideal be decomposed into a triangular Groebner basis?
- xnull
- · Replies 1 ·
Graduate Calculate curvature by coordinate component method
- PhyPsy
- · Replies 1 ·
Graduate Simple roots of a Lie Group from the full root system
- TIMRENNER
- · Replies 1 ·
Graduate Relation between subspace union and probabilities union
- Damidami
- · Replies 1 ·
Graduate How are topologically separated graphs related in linear equations?
- trambolin
- · Replies 1 ·
Graduate Number Derivative: A General Pursuit
- dodo
- · Replies 1 ·
Graduate What Determines the Rank of a 2x2x2 Tensor?
- tolearn
- · Replies 1 ·
Graduate Does the Rank of a Commutator Determine Common Eigenvectors?
- Hurin
- · Replies 1 ·
Graduate Algorithm for an elliptic equation
- Rafajafar
- · Replies 1 ·
5.3 Show that a square matrix with a zero row is not invertible.
- karush
- · Replies 3 ·
Graduate A problem in Finite Group Theory
- the_fox
- · Replies 1 ·
Graduate Is G a DFT Matrix in Soft-decision Decoding of Polar Codes?
- ait.abd
- · Replies 1 ·
Graduate Inverting big matrices. REALLY BIG
- Okefenokee
- · Replies 1 ·
Graduate Does Being an Automorphism of L Imply Being an Automorphism of K?
- chapani
- · Replies 1 ·
Graduate Finding the Analytic Expression for Exponential of a Tensor Product Matrix
- NaturePaper
- · Replies 1 ·
Graduate Normalizing error of affine transformation
- zokos
- · Replies 1 ·
Graduate What techniques can speed up counting pseudoprimes?
- CRGreathouse
- · Replies 1 ·
Graduate Eigenvalue Spectrum of this Operator
- Joschua_S
- · Replies 1 ·
Graduate Cool category construction: Q-trees
- Hurkyl
- · Replies 1 ·
Graduate Minimum degree of polynomial time NP complete problem algorithm
- Sandor
- · Replies 1 ·
Graduate Proving A4 Has No Subgroup of Order 6
- SqrachMasda
- · Replies 1 ·
Graduate Function taking vectors of Rn as inputs
- gursimran
- · Replies 1 ·
Undergrad Difference symmetric matrices vector space and hermitian over R
- Rowina
- · Replies 1 ·
Graduate Interpretation of categorical construction
- Hurkyl
- · Replies 1 ·
Graduate Every Syzygy is a linear combination of pair-wise Syzygies
- Vorstelen
- · Replies 1 ·
*412 what value(s) of h is b in plane spanned
- karush
- · Replies 5 ·
High School Why is the distributive law correct in algebra, like in arithmetic?
- fxdung
- · Replies 14 ·
Graduate What is the Meaning of Lie and Covariant Derivatives in Curved Spaces?
- Karlisbad
- · Replies 1 ·
Graduate What is the construction for taking inverse images of subschemes?
- eof
- · Replies 1 ·
Graduate Probability of a matrix having full rank
- anu914
- · Replies 2 ·
Undergrad How to Multiply 4x4 Matrices Using a 3x3 Calculator?
- transgalactic
- · Replies 1 ·
Graduate Checking for a point inside a region of a spherical surface
- egvega
- · Replies 1 ·
Graduate Tensor Product of C with itself over R.
- Monobrow
- · Replies 1 ·
Graduate LDU decomposition - sparse matrix
- Hassan2
- · Replies 1 ·
Graduate Distance on arrays of unit-quaternions
- mnb96
- · Replies 1 ·
High School Solving a Linear Programming Problem which Requires Integer Solutions
- bagasme
- · Replies 17 ·
Solve linear algebra equation 2x – 1 = 9 – 3x
- gazparkin
- · Replies 4 ·
Undergrad Factoring question - generalized factoring in integers
- elegysix
- · Replies 1 ·
Graduate Proving Normal Field Extensions with an Example | Field Extension Normality
- brian_m.
- · Replies 1 ·
Graduate Reaching all of R^N by rotations from a linear subspace
- uekstrom
- · Replies 1 ·
Graduate Is There a Proven Link Between Powers in Beals and Fermat's Equations?
- robert80
- · Replies 1 ·
Graduate Hilbert's 17th and uniquely ordered fields
- Hurkyl
- · Replies 1 ·
Graduate Understanding Liouville Space Super-Operators: A Simple Computation?
- Einstein Mcfly
- · Replies 1 ·
Graduate Prime Number Related Notation Question
- kenzidelx
- · Replies 1 ·
Graduate Dimension of preimage question
- ungaria
- · Replies 1 ·
Graduate Procedure to compute a multiplicative inverse
- dodo
- · Replies 1 ·
Graduate Transition Matrix for a betting game
- ha9981
- · Replies 2 ·
Graduate Sum of infinitesimal rotations around different points in 2D space ?
- pL1
- · Replies 1 ·
Undergrad Gaussian elimination for a singular square matrix
- cianfa72
- · Replies 14 ·
Graduate Building positive roots from simple roots
- alexgs
- · Replies 1 ·
Graduate Closed-form determinant of a hermitian banded toeplitz matrix
- phd_student
- · Replies 1 ·
Graduate Normalizing a 4x4 matrix with unknown functions as elements
- fruity_water
- · Replies 1 ·
Graduate Cartesian coordinate space transformation question
- atsekhan
- · Replies 1 ·
Graduate Generate random irreducible matrix
- Tenens
- · Replies 1 ·
Graduate Understanding E8 Root Systems: A Comprehensive Guide to Prime Roots and Patterns
- JeremyEbert
- · Replies 1 ·
Undergrad Finding integer numbers using basic operations
- seezeey
- · Replies 1 ·
Graduate Subalgebras of nipotent algebras
- jostpuur
- · Replies 1 ·
Graduate Endomorphism ring over an elliptic curve
- yavanna
- · Replies 1 ·
High School Isn't the concept of a basis circular?
- archaic
- · Replies 8 ·