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Join experts in discussing differential geometry topics. This includes manifolds, Tensors and forms. Connections and curvature also. Differential and algebraic topology discussion.
Graduate Help with a metric tensor derivative
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Graduate Curvature form respect to principal connection
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Graduate Geodesic flows on compact surfaces
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Graduate Inside Sphere: Does It Have Negative Curvature?
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Graduate What is the maximum shortening of a string after tying an overhand knot?
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Undergrad Adding Spheres: How to find the new radius?
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High School Understanding Tangents in Analytic Geometry
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High School Where Can I Find Comprehensive Books for Conic Section?
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Graduate Pull-back of vectors at a SINGLE point
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Graduate F is diffeomorphism implys df is injective?
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Graduate Question about differentiable structures
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Graduate If every tangent line of a curve passes through a point, it is a line
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Graduate What Shape Does a Catenary Shadow Form on a Cylinder?
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Graduate Understanding Tangent Space Basis: Proving Intuitively
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Graduate Infinite curve with two endpoints?
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Graduate Confusion on de Rham cohomology of manifolds
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Graduate Calculating tangent spaces via curves.
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Graduate Proving Manifold with Boundary & C^/inf(M) on Smooth Manifold | FAQ
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Graduate Is the set of irrationals a complete metric space?
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Undergrad How Many Distinct Shapes When Omitting Two Cubes from a 27-Cube Stack?
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Undergrad Help Proving ABC is Acute Triangle with Altitudes
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Geometrical Proofs: Get Expert Guidance Now
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Graduate What is the geometry of the pseudo sphere and what dimension does it exist in?
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Graduate Diffeomorphism of a disk and a square?
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Graduate Isometric Immersion of the Torus
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Undergrad Checking that a parametric curve is general helix
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Undergrad 2D Circle and rectangle intersection tests
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Projections in Geometry (Question)
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Graduate Dividing two differentials gives a total derivative how?
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Graduate Change of Coefficients in Homology and Individual Classes
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Undergrad Making curves going through given points
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Undergrad Is an Equidistant Curve of an Ellipse Also an Ellipse?
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High School Discover the Definition of a Square - Explained Simply
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Undergrad What is the value of perspective in number ?
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High School Can a straight line segment have perpendicular bisectors?
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Graduate Geometric Interpretation of (lower) Cohomology?
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Graduate What is the regularity condition in the definition of a regular surface?
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Graduate What is Riemann's method for determining curvature in 3D spaces?
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Graduate Genus-g Surface and Retraction to Circle
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Undergrad How Does the Four Color Theorem Apply to Maps with Disconnected Regions?
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Graduate Covariant vector differentiation problem with kronecker delta?
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Graduate Finding inverse of linear mapping
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Graduate Constructing Explicit Deformation Retractions
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Graduate Intersection of Planes in R^3 and Dense Subsets of R^3
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Graduate Quick question - Christoffel Symbol Transformation Law
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Graduate Can anyone check this identity please?
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Undergrad Find the coordinates of a point on a circle without knowing the center point.
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Graduate How to satisfy this identity (conformal model in geometric algebra)
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Graduate 2 questions on coholomogy groups
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Graduate Is there a connection between them?
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High School Circular/Spiral Game Board Question
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Graduate Equation of a Plane in R^n , n>3
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Graduate Does this theorem have a name?
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Graduate What is a Differential Structure on a Manifold?
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Undergrad Symmetry in Objects: Is Every Object Symmetric & How to Prove It?
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Graduate Exploring the Relationship between Spinors and Mobius Strips in Rotations
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Graduate What Maps Induce Isomorphisms on Lower but Not Higher Homology Groups?
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Graduate Generators of a null hypersurface
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Graduate Proof of Normal Vector Field for Hypersurface Sigma
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Graduate Is Euclid's Postulate 5 really a postulate of parallels ?
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Graduate Which Book Is Best for Learning Differential Geometry?
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Graduate Fitting an ellipse to a quadratic curve
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Graduate How Do Euclidian, Topological, Metric, and Vector Spaces Differ?
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Graduate Null-homotopic, Retracts: Review for Prelims.
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Graduate Finding the Degree of a Map on S^3 and its Homotopy with the Identity
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Undergrad How do you define the distance between two points in a non-flat 2-D space?
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Undergrad How Does Function f Transform in a New Coordinate System?
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Graduate Tangent vectors as equivalence classes of curves
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Graduate Fine Topology on [0,1]: Equivalence to Euclidean Topology?
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Graduate What Are the Open Sets of U(N)?
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Graduate An detail in proving the homotopy invariance of homology
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Undergrad What is a Tensor? | Math Definition & Use in Algebra
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Graduate From plane to hyperplane in high dimension
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Graduate Divergence of left invariant vector field
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Graduate Rotation matrix from vectors to cone
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Graduate How does the intersection form change when changing coefficient rings?
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Graduate Generating Set for Mapping-Class Group of Genus-g Surface.
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Graduate Question- abstract index notation
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Graduate Is De Rham's first theorem applicable to non-compact manifolds?
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High School Where Did the 4 in the 30-60-90 Triangle Calculation Come From?
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Graduate Using Jordan Curve Thm to Show H_n(R^n) Trivial?
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Graduate Funny Universal Cover: What is it?
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Graduate Def./Examples of Spin Structure Re Trivial Bundles?
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Graduate What Is the Group U(2) in the Context of Particle Physics?
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Graduate Homology of Disjoint Union: Formalizing the Result.
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Graduate Lie groups and non-vanishing vector fields
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Graduate Solve Cubic Equations: Elliptic Curve in Weierstrass Normal Form
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Graduate How Do You Express the Variation of a General Metric Tensor?
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Graduate Determining the Lie Algebra of a Vector Space
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Graduate Did Curtis LeMay Discover Fractal Geometry in 1942?
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Undergrad Distance between a point on a sphere and a great circle arc
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Graduate What are some recommended resources for practicing problems on smooth manifolds?
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Graduate Can Torsion of a Curve Be Generalized from 3D to 4D?
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High School What Are Conic Sections and Why Do They Matter?
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Undergrad What can rotation values imply on a sphere?
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Graduate Mapping Class Group of the Torus.
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Graduate Distance between a point and a triangular plane segment
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Graduate Why is P outside and nearer to A if λ/μ is between -1 and 0?
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Create Cool Shapes with MS Paint: Math & Fun?
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Graduate What is the meaning of the shorthand notation used in dynamical systems?
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