convolution

Definitions

  • WordNet 3.6
    • n convolution the action of coiling or twisting or winding together
    • n convolution a convex fold or elevation in the surface of the brain
    • n convolution the shape of something rotating rapidly
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Webster's Revised Unabridged Dictionary
    • Convolution (Anat) An irregular, tortuous folding of an organ or part; as, the convolutions of the intestines; the cerebral convolutions. See Brain .
    • Convolution The act of rolling anything upon itself, or one thing upon another; a winding motion. "O'er the calm sea, in convolution swift,
      The feathered eddy floats."
    • Convolution The state of being rolled upon itself, or rolled or doubled together; a tortuous or sinuous winding or fold, as of something rolled or folded upon itself.
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Century Dictionary and Cyclopedia
    • n convolution The act of rolling. or winding together, or of winding one part or thing on another; the motion or process of winding in and out.
    • n convolution The state of being rolled upon itself, or rolled or wound together.
    • n convolution A turn or winding; a fold; a gyration; an anfractuosity; a whorl: as, the convolutions of a vine; the convolutions of the intestines.
    • n convolution In anatomy, specifically, one of the gyri, gyres, or anfractuosities of the brain, especially of the cerebrum. See cuts under brain and corpus.
    • n convolution In mathematics, such a connection between the relations of any asyzygetic system that each is applied alternately in the aggregate of the remaining relations.
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Chambers's Twentieth Century Dictionary
    • n Convolution a twisting: a fold
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Quotations

  • Erin Pizzey
    Erin Pizzey
    “Men are gentle, honest and straightforward. Women are convoluted, deceptive and dangerous.”

Etymology

Chambers's Twentieth Century Dictionary
L. con, together, volvĕre, -utum, to roll.

Usage

In literature:

The bow is convoluted (but the convolutions are sometimes represented by knobs); the catch-plate develops as in group II.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3" by Various
T' T'' T''' are placed on the first, second, and third temporal convolutions.
"The Mind and Its Education" by George Herbert Betts
In mammals it becomes more and more convoluted.
"The Outline of Science, Vol. 1 (of 4)" by J. Arthur Thomson
I gazed upon it till the characters swelled out like black chords, and writhed in snaky convolutions.
"Ernest Linwood" by Caroline Lee Hentz
A glare of light, focussed on it, showed beneath the stretched taut membrane the convolutions of the brain, like tangled purple worms.
"Wandl the Invader" by Raymond King Cummings
It was the sudden formation of all the new convolutions that rendered us unconscious.
"The Skylark of Space" by Edward Elmer Smith and Lee Hawkins Garby
But how can we conceive the transformation of this convolution into a semi-material phenomenon?
"The Mind and the Brain" by Alfred Binet
Besides, I am prouder of my rhetoric than of my spiritual convolutions.
"The Brentons" by Anna Chapin Ray
He speaks because the mouth and larynx communicate with the third frontal convolution of the brain.
"Folkways" by William Graham Sumner
It also folded itself into convolutions resembling those of shells.
"Fragments of science, V. 1-2" by John Tyndall
Wiegel had much avoirdupois, but not deep brain convolutions.
"Between the Lines" by Henry Bascom Smith
Her hair, in its dips and convolutions, was altogether a puzzle.
"Free Air" by Sinclair Lewis
The convolutions of the brain were narrow, and very strongly marked.
"Cases of Organic Diseases of the Heart" by John Collins Warren
The organ thus runs obliquely upward, corresponding to the position of the convolutions.
"Buchanan's Journal of Man, December 1887" by Various
His hands were thrust into his pockets, his eyes eagerly fixed on the most graceful feminine convolutions he had ever seen.
"A Daughter of the Vine" by Gertrude Franklin Horn Atherton
Sometimes it rolled sullenly, and convoluted in oily surges beneath its coverlid of snow, like a bed of monstrous serpents.
"Rose of Dutcher's Coolly" by Hamlin Garland
The convolutions are usually coarse, but little convoluted and comparatively free from secondary folds.
"Degeneracy" by Eugene S. Talbot
The gramophone records in my convolutions were so badly scratched that I can hardly decipher a line of them.
"A Prisoner in Turkey" by John Still
Irregular and convoluted ridges arose from it here and there; it appeared to be absolutely bare of vegetation.
"Lodges in the Wilderness" by William Charles Scully
The road turns and twists in endless convolutions.
"From the Lakes of Killarney to the Golden Horn" by Henry M. Field
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In poetry:

Witness the magic coffer stocked
With convoluted runes
Wherein thy very voice was locked
And linked to circling tunes.
"A Recantation" by Rudyard Kipling

In news:

Ayatollah Seyyed Ali Khamenei has added another organ to Iran's already convoluted power structure.
There is a difference between complicated and convoluted, though it can be tricky to adhere more toward the former than the trappings of the latter.
For its don't-call-it-a-reunion album, Phish made a plan that, like all things Phish, was a convoluted intersection of musical challenges and fan expectations.
Nobody Walks is a Convoluted On-Screen Orgy That Doesn't Arouse .
Federal court weighs D.C.'s convoluted registration scheme.
'Man on a Ledge' is convoluted .
The Convoluted Nonsense of 'Anonymous'.
Reporter's ordeal continues in convoluted CIA case.
EAA Encourages Members to Comment on Convoluted Proposal for Enforcement of "51% Rule".
Unified's new arts high school is convoluted and costly.
Pay a 15% tax, or buy a convoluted tax shelter that will bleed you with fees and expose you to big trouble with the IRS.
French policier delivers strong performances but its hands are tied up in a convoluted plot.
Catalyst Paper's struggle to survive insolvency has been played out in a convoluted drama in B.C.
The convoluted Petraeus scandal, the GOP's path out of the wilderness, and the future of Fantasyland.
Instead, our system focuses on the creation of new laws, resulting in a hodgepodge of convoluted and tangled regulations that defies even basic logic.
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In science:

Computing a level-1 refinement requires only one application of convolution plus small-scale noise.
Multiscale Gaussian Random Fields for Cosmological Simulations
The convolution method presented in this paper lends itself to a variety of tricks that can be done with sampling of Gaussian random noise.
Multiscale Gaussian Random Fields for Cosmological Simulations
These need not always involve adaptive mesh refinement and convolution with isolated boundary conditions.
Multiscale Gaussian Random Fields for Cosmological Simulations
Our white noise sampling and convolution methods offer another way to change the dynamic range of a simulation while retaining the sampling of a fixed set of cosmic structures.
Multiscale Gaussian Random Fields for Cosmological Simulations
Moreover, periodic boundary conditions are used for all convolutions.
Multiscale Gaussian Random Fields for Cosmological Simulations
Two convolutions are performed per refinement level for each field component.
Multiscale Gaussian Random Fields for Cosmological Simulations
These convolutions are performed using FFTs with the grid doubled in each dimension.
Multiscale Gaussian Random Fields for Cosmological Simulations
Correct sampling requires convolution by an anti-aliasing filter.
Multiscale Gaussian Random Fields for Cosmological Simulations
Short-wavelength contributions are then provided by convolution of white noise with the appropriate transfer function.
Multiscale Gaussian Random Fields for Cosmological Simulations
Speicher, Multiplicative functions on the lattice of non-crossing partitions and free convolution, Math.
Products of random matrices and q-Catalan numbers
The metric of a two-dimensional cone was modelled in by a generalized metric (in the full setting) obtained through embedding via convolution.
Generalized pseudo-Riemannian geometry
It turns out that in the high frequency limit the refocused signal may be written as a convolution with a kernel F expressible in terms of the limit Wigner distribution.
Time Reversal for Classical Waves in Random Media
The Gaussian is both the distribution of maximum entropy (under a variance constraint) and the limit distribution of convolutions in the Central Limit regime (which preserves variance).
An information-theoretic Central Limit Theorem for finitely susceptible FKG systems
There is clear physical interest in asking questions such as whether entropy always increases on convolution, and whether it tends to this maximum.
An information-theoretic Central Limit Theorem for finitely susceptible FKG systems
Furthermore by understanding how score functions become more linear on convolution, we gain an insight into the workings of the limit theorem, and why the Gaussian is the limiting distribution.
An information-theoretic Central Limit Theorem for finitely susceptible FKG systems
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