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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Twisted generalized Reed-Solomon codes with twists
扭曲 广义 里德-所罗门代码 RS编码
2023/4/25
Twisted generalized Reed-Solomon (TGRS) codes get much attention recently. In this talk, we focus on a class of TGRS codes with general ?? twists. Conditions to be MDS or self-dual are discussed.
Fast Radio Bursts ‘Twists And Shouts’ Help Scientists Determine Source Of Cosmic Blasts
Fast Radio Bursts Twists Shouts Scientists Cosmic Blasts
2018/1/31
An international group of astronomers has found that the Cornell University-discovered fast radio burst FRB 121102 – a brief, gigantic pulse of radio waves from 3 billion light years away – passes thr...
JILA Team Discovers Many New Twists in Protein Folding
JILA Team Many New Twists Protein Folding
2017/3/14
Biophysicists at JILA have measured protein folding in more detail than ever before, revealing behavior that is surprisingly more complex than previously known. The results suggest that, until now, mu...
From Tūn to Turun: The Twists and Turns of the Ṭūsī-Couple
From Tun to Turun The Twists and Turns Ṭ usi-Couple
2015/3/26
In discussions of the possible connections between Copernicus and his Islamic predecessors, the so-called Ṭūsī-couple, invented by the 13th-century Persian polymath Naṣīr al-Dīn al-Ṭ...
Window shifts, flop equivalences and Grassmannian twists
Window shifts flop equivalences Grassmannian twists Algebraic Geometry
2012/6/14
We introduce a new class of autoequivalences that act on the derived categories of certain vector bundles over Grassmannians. These autoequivalences arise from Grassmannian flops: they generalize Seid...
Graded Skew Clifford Algebras that are Twists of Graded Clifford Algebras
regular algebra Clifford algebra skew Clifford algebra twist by an automorphism
2012/4/17
We prove that if $A$ is a regular graded skew Clifford algebra and is a twist of a regular graded Clifford algebra $B$ by an automorphism, then the subalgebra of $A$ generated by a certain normalizing...
Periods of Quadratic Twists of Elliptic Curves
Periods Quadratic Twists of Elliptic Curves
2011/1/17
In this paper we prove a relation between the period of an elliptic curve and the period of its real and imaginary quadratic twists. This relation is often misstated in the literature.
Drinfeld twists of the open XXZ chain with non-diagonal boundary terms
the open XXZ chain non-diagonal boundary terms
2010/12/24
The Drinfeld twists or factorizing F-matrices for the open XXZ spin chain with non-diagonal boundary terms are constructed. It is shown that in the F-basis the two sets of pseudo-particle creation op...
On the Ranks of the 2-Selmer Groups of Twists of a Given Elliptic Curve
Ranks of the 2-Selmer Groups of Twists Given Elliptic Curve
2010/12/1
On the Ranks of the 2-Selmer Groups of Twists of a Given Elliptic Curve.
Faster Pairing Computations on Curves with High-Degree Twists
Pairings Miller functions explicit formulas
2009/12/29
Research on efficient pairing implementation has focussed on reducing the loop
length and on using higher-order twists. Existence of twists of degree larger than 2 is a very
restrictive criterion bu...
Researchers in the US and Germany have developed a new way to transform DNA into complex shapes by making the molecules twist and bend. The technique could be crucial for making nanoscale device build...