TFPT scientific source excerpt Original repository path: documents/archive--tfpt-45--source_extracts--01_boundary_kernel_source/sections/001-section-primitive-core-and-carrier-interface-handoff.tex Original file SHA-256: 7d6e673d99c29d950dc601283cd51c1cc0b113567eeb79c8396fec9c82a02c79 Inclusive original lines: 122-129 Line numbers below refer to the original source. This bounded excerpt is source evidence; it is not a new proof/checker run. Conversation metadata and personal execution details are omitted where indicated. 000122 | \item the doubled operator and its even and odd parts are 000123 | \[ 000124 | D=D_+\cup_{\Sigma}D_+^{\mathrm{op}}, 000125 | \qquad 000126 | D_{\mathrm{ref}}:=\frac12\bigl(D+\taudbl^{\ast}D\taudbl^{\ast}\bigr), 000127 | \qquad 000128 | D_{\mathrm{rel}}:=\frac12\bigl(D-\taudbl^{\ast}D\taudbl^{\ast}\bigr); 000129 | \]