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This index contains 2,569 curated research declarations and 119,070 complete package declarations. Search 10,000 more complete Mathlib declarations.

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Showing 1,189 to 1,194 of 2,569 results.

Project-declaredLean 4.32.0

Reduce num Chiral U of mem elems No Exotics

FTheory.SU5.TenQuanta.reduce_numChiralU_of_mem_elemsNoExotics

Project documentation

The reduce of TenQuanta is a new TenQuanta with all the fluxes corresponding to the same charge (i.e. representation) added together. -/ def reduce (x : TenQuanta 𝓩) : TenQuanta 𝓩 := x.toCharges.dedup.map fun q10 => (q10, ((x.filter (fun f => f.1 = q10)).map (fun y => y.2)).sum) /-! ### B.1. The reduced TenQuanta has no duplicate elements -/ lem...

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Reduce sum eq sum to Charges

FTheory.SU5.TenQuanta.reduce_sum_eq_sum_toCharges

Project documentation

The reduce of TenQuanta is a new TenQuanta with all the fluxes corresponding to the same charge (i.e. representation) added together. -/ def reduce (x : TenQuanta 𝓩) : TenQuanta 𝓩 := x.toCharges.dedup.map fun q10 => (q10, ((x.filter (fun f => f.1 = q10)).map (fun y => y.2)).sum) /-! ### B.1. The reduced TenQuanta has no duplicate elements -/ lem...

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

To Charge to Finset of mem lift Charge

FTheory.SU5.TenQuanta.toCharge_toFinset_of_mem_liftCharge

Project documentation

Given a finite set of charges c the TenQuanta which do not have exotics, duplicate charges or zero fluxes, which map down to c. This is defined to be as efficient as possible. -/ def liftCharge (c : Finset 𝓩) : Multiset (TenQuanta 𝓩) := /- The {(1, 0), (1, 0), (1, 0)} case. -/ /- The multisets of cardinality 3 containing 3 elements of c. -/ let...

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Fundamental theorem of variational calculus

fundamental_theorem_of_variational_calculus

Mathematical statement

A version of fundamental_theorem_of_variational_calculus' for Continuous f. The proof uses assumption that source of f is finite-dimensional inner-product space, so that a bump function with compact support exists via ContDiffBump.hasCompactSupport from Analysis.Calculus.BumpFunction.Basic. The proof is by contradiction, assume that there is `x₀...

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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Project-declaredLean 4.32.0

Fundamental theorem of variational calculus

fundamental_theorem_of_variational_calculus'

Mathematical statement

A version of fundamental_theorem_of_variational_calculus' for Continuous f. The proof uses assumption that source of f is finite-dimensional inner-product space, so that a bump function with compact support exists via ContDiffBump.hasCompactSupport from Analysis.Calculus.BumpFunction.Basic. The proof is by contradiction, assume that there is `x₀...

physicsquantum field theoryrelativity

Source project: Physlib

Person-level attribution pending.

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