发表机构
University of technology and science Beijing; Nagoya University(北京科技大学; 名古屋大学)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
本文研究全实分圆域上的迭代余切差分积分,将其表示为分圆多重zeta值,并证明这些积分是混合Tate动机的周期,生成Hopf子代数。
AI 中文摘要
我们研究了具有分圆平移的迭代余切积分,并沿指定参考路径将其值表示为分圆多重zeta值。余切形式的差分可延拓到全实分圆域上的穿孔射影直线,从而给出一个“实分圆多重zeta值”族。在有理切向端点下,这些差分积分是该域上混合Tate动机的周期;整数端点数据在反转整除层次的素数后,给出其整数环上的周期。相关的带框架动机类在Goncharov余积下生成一个Hopf子代数。
英文摘要
We study iterated cotangent integrals with cyclotomic shifts and express their values along specified reference paths in terms of cyclotomic multiple zeta values. Differences of cotangent forms extend to a punctured projective line over a totally real cyclotomic field, giving a family of "real cyclotomic multiple zeta values." With rational tangential endpoints, these difference integrals are periods of mixed Tate motives over that field; integral endpoint data yield periods over its ring of integers after inverting primes dividing the level. The associated framed motivic classes generate a Hopf subalgebra under Goncharov's coproduct.
Comments23 pages