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Periodic mosaics. Problems for the tilers and mathematicians

Posted on 04.12.2012 by Vanya Mileva

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Categories: Symmetry | Tags: мозайки, симетрия

Nonperiodic mosaics – chaos and order in the pentagonal symmetry

Posted on 14.12.2012 by Vanya Mileva

No comments Categories: Symmetry

Sorry, this entry is only available in Български.

Categories: Symmetry | Tags: мозайки, симетрия

The Quasicrystals – between two worlds

Posted on 16.12.2012 by Vanya Mileva

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Sorry, this entry is only available in Български.

Categories: Symmetry | Tags: кристали, мозайки, симетрия

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Polemics

Unintelligent design ⊕

ГМО – въображаеми и истински опасности
Памет на водата или как ни промиват мозъка
How the fish learned to walk
About theories and thick branches
About mutations and complexity
Cambrian explosion and trilobites
The transition to chords and Spines
Does the Animal and Plant
Appendix: Summary table of the evolution
Turtle Evolution
Lies, Damned Lies, Statistics,and Probability of Abiogenesis Calculations

Епистемология и логика ⊕

Тест за псевдонаучност
Тест за псевдонаучност/научност на статия
(Български) Методите на науката
Demarcation problem between science and non-science
Теории за произхода на религията. Наука или религия. Комунизмът като религия
Digital thinking and polynomial Zhegalkin – part 1
Digital thinking and polynomial Zhegalkin – part 2
Digital thinking and polynomial Zhegalkin – part 3
Digital thinking and polynomial Zhegalkin – part 4
Occam’s razor
Heuristics. Morphological analysis

About mathematics in nature

What is a fractal? ⊕

What is a fractal?
Hidden dimensions of fractal dimension
Self-similarity
Fractal dimension
Iterations
Iterated Functions System – IFS
Geometric fractals
Algebraic fractals

Curious about fractals ⊕

Snowflakes
Plants
Lower animals (invertebrates)
About leopard spots and zebra stripes on
Fractals in us

Theory of chaos and catastrophes ⊕

Chaos Theory-Concepts
Strange Attractor
Fractal properties of chaos
Feigenbaum tree
Theory of catastrophes – 1
Theory of catastrophes – 2
Cellular automat
Game Life
Inevitably there is increase in entropy?
Systems
Synergetics
Reaction Belousov-Jabotinsky

Evolution is self-organization ⊕

Synergetics and the origin of life
Dissipative systems of Prigogine
Examples of self-organization in living nature

Fibonacci numbers and the Golden section ⊕

Numerical order of the Fibonacci
Fibonacci numbers in plants
Fibonacci numbers in animals
Golden section in mathematics
Golden section in animals
Golden section and Fibonacci order in art

Spirals, curves of life ⊕

The Spirals
Spirals – curves of life
The direction of spirals
Coriolis

Hypotheses ⊕

The anthropic principle
The model of Linde
Fractal universe Fournier

Theory of relativity and absolute ⊕

Special theory of relativity
Lorentz transformations – the heart of relativism
The effect of the delay time and shorter lengths
Space-time of Minkowski
General theory of relativity
Possible to have a speed greater than the speed of light? In search of tachyons
Ем Драйв – пробив в съвременната физика или “вечен двигател”
Negative mass
Flights to superluminal

Квантовата механика – основи ⊕

Quantum mechanics. Beginning. Models of the atom
Wave. Basic formulas and correlations. Diffraction and interference
Examples of diffraction
(Български) Вълни и неопределеност. Шрьодингер и Хайзенберг
Weisskopf quantum ladder
Antimatter
(Български) Квантово-механично тунелиране
Stern–Gerlach experiment
The Double Slit Experiment
Spin
The dispute between Bohr and Einstein
Котката на Шрьодингер. Различните интерпретации на квантовата неопределеност
Pauli exclusion principle
Квантовите числа. Електронни слоеве и подслоеве (орбитали)
Принципът на тъждествеността. Статистиките на Бозе-Айнщайн и Ферми-Дирак

Quantum mechanics. Particle ⊕

Elements particles
Bosons and fundamental interactions
Диаграмите на Файнман
The Standard Model and the great unions

Symmetry ⊕

Group theory – just a smile
Symmetries as groups
Types of symmetry
Crystal symmetry celebration
Periodic mosaics. Problems for the tilers and mathematicians
Nonperiodic mosaics – chaos and order in the pentagonal symmetry
The Quasicrystals – between two worlds
About symmetry of flora and fauna
Space-time transformations and conservation laws. Theorem Nyoter.
Discrete symmetry. Parity
Charge symmetry. CP-invariance.
T-symmetry. CPT – invariance. String theory – hope for unifying theory by the violation of CPT-symmetry

Quantum mechanics. Symmetry ⊕

Загубите на симетрия в ранната Вселена

Quantum mechanics field ⊕

Скаларни и векторни полета
Локални калибровъчни симетрии
Квантовата теория на полето
Полето на Янг-Милс

Хигс – поле, механизъм, частица ⊕

Higgs – field, mechanism, particle
What should be the scope of the Higgs boson?
Where it comes the masse?
Electroweak theory and the Higgs mechanism
Higgs & mass of the fermion
(Български) Спонтанно нарушение на симетрията. Фазови преходи

4dimension ⊕

Introduction – Flat Lands
Platonic solids
Global Dodecahedrons
Polytops
4D Projections
Stereographic projection
Hypperspheres
The Poincare Conjecture
THE CHURCH IN THE FOURTH DIMENSION

Multidimensionality of time ⊕

Is there life in other dimensions. Multidimensionality of time in micro and mega worlds.
Spacetime around black holes
Tachyons – Obstetricians of the Universe
The arrow of time

Origin of life

Living conditions ⊕