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Mathematical Concepts Essential for understanding Space


This list of spacial concepts will more likely help the foxes rather than the hedgehogs. Foxes like fox a top down approach to understanding the universe including its mathematical underpinings. This is the approach to mathematics taken by Terence Tao, Fields medalist, and professor of mathematics among others.

Mathematics has evolved over time. It is "of this world" which means it has evolved in the context of our human sensory limits, and then progressively, through our instrumentation enabled experimentation. Mathematics has been challenged by human problems and the physics of the world and evolved directly as a result of those challenges.

The unreasonable effectiveness of mathematics in the natural sciences" by Eugene Wigner (1960 Communications in Pure and Applied Mathematics) explores this mystifying problem.

The standard 6 parameter cosmological-constant (Lambda - Λ) model of the universe, the Cold Dark Matter (CDM) model has been successfully aligned with large array of cosmological observations.

Central to mathematics has been the essence of space. Successive definitions of space have given us new tools for understanding the nature of reality and for computational progress.

Geometry is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. It has a very long and distiguished history".

Here is a 12 min review of modern geometry

    

Space

Space is not uniform. It's clumpy, bumpy, curved and warped at different scales including the quantum level (see image) Nevertheless "idealized" classic space has been foundational to the advancement of our mathematics, science, and technology.

  Wiki: Space (Mathematics)
  
  Science Daily: A less 'clumpy,' more complex universe? (January 29, 2025)
  
   NASA: Matter Clumping
  
  Wiki: Condensed matter physics
  
  Wiki: Quantum Foam
  
  YT: Quantum Foam?- Science at NASA (February 22, 2017)
  
  Mathworld: Spaces
  
  YT: David J. Gross: Quantum Field Theory Past, Present, Future (108 Min)
  

Spatial scale

  Wiki: Spatial scale
  
  Wiki: Orders of Magnitude of Length
  
  Wiki: Cosmic distance ladder
  
  Wiki: Distance measures (cosmology)
  
  YT: 5 Main Differences b/w Euclidean GEOMETRY & Minkowski SPACETIME | Hyperbolic Rotations
  

Euclidean Space

Euclidean space is the fundamental space of geometry, intended to represent physical space. It is a idealized two dimensional infinite plane. Euclidean concepts include points, lines, planes, angles, triangles, congruence, similarity, solid figures, circles, and analytic geometry.

  Wiki: Euclidean Space
  
  YT: Science Through Time: What Is Euclidean Space?
  
  Wiki: Euclid
  
  Wiki: Dot Products (in Euclidian Spaces)
  

Cartesian Space

Cartesian space, also known as Cartesian coordinate space, is a mathematical construct that uses an ordered set of numbers (coordinates) to specify the position of points in a space. It is typically characterized by a coordinate system with perpendicular axes (x, y, z in three dimensions) and a defined origin.

  Wiki: Cartesian Space
  
  Wiki: Cartesian coordinate system
  
  Wiki: Analytic geometry
  
  Wiki: Rene Descartes
  

Minkowski Space

Minkowski space is the main mathematical description of spacetime in the absence of gravitation.

  Wiki: Minkowski Space
  
  Wiki: Non-Euclidean Geometry
  
  YT:Classroom Aid - Minkowski Space-Time (3.55 min)
  
  Wiki: Hermann Minkowski
  

Vector Space (also called a linear space)

  Wiki: Vector Space
  
  Wiki: Basis (linear algebra)
  
  Wiki: Linear combination
  
  Wiki: Tensor
  
  Wiki:
  
  Wiki: Lie algebra
  
  Wiki: Dual vector space (aka dual space)
  

Newtonian Space and Time

In Newtonian physics, space and time had their independent identities.

  Wiki: Absolute space and time
  
  
  
  
  

Hilbert Space

  Wiki: Hilbert_space
  
  What is a Hilbert Space? (May 23, 2025 )
  
  Hilbert Space Kernel Methods for Machine Learning: Background and Foundations (May 23, 2025 )
  

Einstein Space Time - Special Relativity

Special relativity is the theory of a fixed, flat space-time, without gravity

  Wiki: Special Relativity
  
  Wiki: Spacetime diagram
  
  
  
  History of special relativity
  

Minkowski Spacetime

Minkowski space-time is flat, static and infinite.

  Wiki:Minkowski spacetime only applies in special relativity.
  
  Minkowski diagrams
  
  Quantamagazine:Sean Carroll: How to Think About Relativity?
  
  YT: Quanta Magazine: Vijay Balasubramanian, a physicist at the University of Pennsylvania, takes us on a journey through space-time (September 25, 2024)
  

Riemannian geometry

  Wiki: Riemannian Geometry
  
  YT: Math Geek: Reimann Geometry
  
  YT: The Christoffel Symbols In Riemannian Geometry
  

Einstein Space Time - General Relativity

General relativity is the theory of dynamic space-time, in which curvature gives rise to gravity.

  Wiki: General Relativity
  
  Quanta Magazine: How to think about relativity
  
  Wiki: Inertial frames preferred above noninertial frames
  
  YT: How We Mapped The Infinite Universe With Jim Al-Khalili (June 19, 2025) (59 min)
  

De Sitter Space

  De Sitter space
  
  YT:de Sitter Space, Maulik Parikh | Lecture
  
  Anti-De Sitter space
  
  Wiki: Willem de Sitter
  

Topological Space

  Wiki: Topological Space
  
  YT: What is Topological Space?
  
  MW: Topology Spaces
  

Quantum spacetime

  Wiki: Quantum spacetime
  
  Wiki: Mathematical formulation of quantum mechanics
  
  Wiki: Quantum mechanics
  
  Quantum field theory
  
  Simons Foundation: Quanta Magazine: The accelerating effort to understand the mathematics of quantum field theory will have profound consequences for both math and physics.(June 10, 2021)
  
  YT: Harvard CMSA Algebraic quantum field theory (Langlands)(February 8, 2024)
  
  YT: Machine-learned flows for QCD: Numerical lattice quantum field theory is one of our important tools for investigating quantum chromodynamics machine learning techniques may provide algorithmic advances that could open access to calculations which are presently intractable (QCD)
  
  YT: Can Something Come From Nothing? Exploring The Universe's Origins With Jim Al-Khalili (June 26, 2025) (59 min)
  
   YT:Nima Arkani-Hamed, Gopal Prasad Professor, School of Natural Sciences, Institute for Advanced Study, Beyond Space - Time and Quantum Physics from Little C (10 -17cm) to Big C (Cosmology) 10 +27 cm (July 15, 2025) (20 min)
  

Black Holes

  Wiki: Black Hole
  
  Wiki: Penrose Diagram
  
  Wiki: Cosmic censorship hypothesis
  
  Wiki: Penrose–Hawking singularity theorems
  
  Wiki: Spaghettification
  
  YT: Simons Institute for the Theory of Computing: A Quantum Complexity Approach to the Problem of Weak Cosmic Censorship (March 22, 2024)
  

Mathematical Boundarys

  Why does physics break down at the Planck scale? There are limits to where physics makes meaningful predictions: beyond the Planck length, time, or energy. Here’s why we can’t go further. (April 28, 2025)
  
  Wiki: Foundations of mathematics
  
  Wiki: Paradigm
  
  Wiki: Commensurability (philosophy of science)
  
  Wiki: Commensurability (mathematics)
  

Macrosopic Scale

  Macrosopic Scale
  

Microscopic Scale - between the macroscopic scale and the quantum scale.

  Wiki: Microscopic Scale
  

Quantum Scale

  Wiki: Quantum spacetime
  
  Wiki: Quantum Mechanics
  
  Wave Function
  
  Wiki: Operators in quantum mechanics
  

Noncommutative geometry

Noncommutative geometry (NCG) is a branch of mathematics concerned with a geometric approach to noncommutative algebras, and with the construction of spaces that are locally presented by noncommutative algebras of function

  Wiki: Noncommutative geometry
  

Spatial Mathematicians

https://en.wikipedia.org/wiki/Willem_de_Sitter
  Wiki: Pythagoras c 570 - c. 495 BC
  
  Wiki: Euclid (300 BC)
  
  Wiki: Archimedes (c 287 - c 212 BC) (Foundational contributions to geometry and mathematical physics)
  
  Wiki: Eratosthenes (c. 276 BC - c. 195/194 BC)
  
  Apollonius of Perga (c. 240 BC - c. 190 BC)
  
  Wiki: Gottfried Leibniz (1646 - 1716) )
  
  Wiki: Sir Isaac Newton (1643 - 1727))
  
  Wiki: Leonhard Euler ( 1707 – 1783) ,
  
  Wiki: Carl Friedrich Gauss (1777 – 1855) (non-Euclidean geometry) The Remarkable Theorem, also known as Theorema Egregium
  
  Wiki: Rene Descartes (1826 - 1866)
  
  Wiki: Georg Cantor (1845 - 1918)
  
  Wiki: Bernard Reimann (1826 - 1866)(Through contributions to differential geometry, Riemann laid the foundations of the mathematics of general relativity) (
  
  Wiki: Henri Poincare (1854 - 1912)
  
  Wiki: Hermann_Minkowski (1864 1909) (Foundational work describing space and time as a four-dimensional space, now known as "Minkowski spacetime", which facilitated geometric interpretations of Albert Einstein's special theory of relativity (1905))
  
  Wiki: David Hilbert (1862 - 1943)
  
  Wiki: Willem de Sitter ( 1872 – 1934)
  
  Wiki: Einstein (1879 - 1955)
  
  Wiki: Hermann Weyl (1885 - 1955)
  
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