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Math.TechQA.Club
2026-02-27 03:39:52
12
Views
Terminology/notation for pulling back multi-sigma functions
Published on
27 Feb 2026 - 3:39
#summation
#notation
#terminology
#index-notation
12
Views
Show that the pushout of this specific simplicial map induces an isomorphism on the $n$th simplicial homotopy group.
Published on
27 Feb 2026 - 3:31
#limits-colimits
#simplicial-stuff
#higher-homotopy-groups
12
Views
Maximum number of nodes and edges in a directed graph on a k*k grid - with conditions(!)
Published on
27 Feb 2026 - 3:39
#algorithms
#directed-graphs
12
Views
for a reducible DTMC finding the stationary distribution
Published on
05 Apr 2026 - 20:25
#markov-chains
12
Views
Bounding the Lagrange Multiplier for Quadratically Constrained Basis Pursuit
Published on
03 Apr 2026 - 16:11
#convex-optimization
#lagrange-multiplier
12
Views
Concave conjuguate and weak star topology
Published on
26 Mar 2026 - 14:42
#convex-analysis
#topological-vector-spaces
#weak-topology
12
Views
Are there any numerically stable methods for computing the condition number of a near-singular matrix that are fast?
Published on
25 Mar 2026 - 14:39
#svd
#condition-number
12
Views
Infer the positive definiteness of a real non-symmetric matrix from the positive definiteness of its symmetric part
Published on
30 Mar 2026 - 0:04
#eigenvalues-eigenvectors
#quadratic-forms
#symmetric-matrices
#positive-definite
12
Views
Complex potential/ observable
Published on
28 Mar 2026 - 22:24
#potential-theory
12
Views
Bifurcation in accumulation points of sequence
Published on
25 Mar 2026 - 9:21
#bifurcation
#experimental-mathematics
12
Views
Generation of Hermitian invertible matrix with fixed number of non-zero elements
Published on
25 Mar 2026 - 20:43
#linear-algebra
#eigenvalues-eigenvectors
#unitary-matrices
#hermitian-matrices
12
Views
Help understand a gradient derivation for RankNET
Published on
25 Mar 2026 - 20:43
#derivatives
#partial-derivative
#gradient-descent
12
Views
Conditions for a lift of an arbitrary map to exist along an arbitrary map
Published on
27 Feb 2026 - 5:23
#general-topology
#homology-cohomology
#obstruction-theory
12
Views
Estimating Difference of Two Averages of Function by Its BMO Norm
Published on
01 Apr 2026 - 5:37
#functional-analysis
#inequality
#harmonic-analysis
12
Views
Inequation of the product of ascending and random integers
Published on
30 Mar 2026 - 7:43
#number-theory
#inequality
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